Home / 2,248,074.81-3,102,341.04-1,215,580.12

Finding the Fourth Proportional to 2,248,074.81, 3,102,341.04 and 1,215,580.12

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Solution

The fourth proportional to 2,248,074.81, 3,102,341.04 and 1,215,580.12 is: 1,677,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248,074.81 : 3,102,341.04 = 1,215,580.12 : x
  2. Step 2: Convert to fraction form
    2,248,074.81/3,102,341.04 = 1,215,580.12/x
  3. Step 3: Cross multiply
    2,248,074.81x = 3,102,341.04 × 1,215,580.12
  4. Step 4: Simplify right side
    2,248,074.81x = 3,771,144,112,869.62
  5. Step 5: Solve for x
    x = 3,771,144,112,869.62/2,248,074.81
  6. Step 6: Final answer
    x = 1,677,499.39

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Double scale
Find fourth proportional to 2,248,075.81, 3,102,342.42 and 1,215,581.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.