Home / 2,248,075.81-3,102,342.42-1,215,581.12

Finding the Fourth Proportional to 2,248,075.81, 3,102,342.42 and 1,215,581.12

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Solution

The fourth proportional to 2,248,075.81, 3,102,342.42 and 1,215,581.12 is: 1,677,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248,075.81 : 3,102,342.42 = 1,215,581.12 : x
  2. Step 2: Convert to fraction form
    2,248,075.81/3,102,342.42 = 1,215,581.12/x
  3. Step 3: Cross multiply
    2,248,075.81x = 3,102,342.42 × 1,215,581.12
  4. Step 4: Simplify right side
    2,248,075.81x = 3,771,148,873,527.11
  5. Step 5: Solve for x
    x = 3,771,148,873,527.11/2,248,075.81
  6. Step 6: Final answer
    x = 1,677,500.76

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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.