Home / 2,112,290.58-2,915,334.21-1,241,125.10

Finding the Fourth Proportional to 2,112,290.58, 2,915,334.21 and 1,241,125.10

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Solution

The fourth proportional to 2,112,290.58, 2,915,334.21 and 1,241,125.10 is: 1,712,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,290.58 : 2,915,334.21 = 1,241,125.10 : x
  2. Step 2: Convert to fraction form
    2,112,290.58/2,915,334.21 = 1,241,125.10/x
  3. Step 3: Cross multiply
    2,112,290.58x = 2,915,334.21 × 1,241,125.10
  4. Step 4: Simplify right side
    2,112,290.58x = 3,618,294,462,919.67
  5. Step 5: Solve for x
    x = 3,618,294,462,919.67/2,112,290.58
  6. Step 6: Final answer
    x = 1,712,971.93

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Double scale
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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.