Home / 2,201,561.70-3,302,342.55-781,761.30

Finding the Fourth Proportional to 2,201,561.70, 3,302,342.55 and 781,761.30

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Solution

The fourth proportional to 2,201,561.70, 3,302,342.55 and 781,761.30 is: 1,172,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,561.70 : 3,302,342.55 = 781,761.30 : x
  2. Step 2: Convert to fraction form
    2,201,561.70/3,302,342.55 = 781,761.30/x
  3. Step 3: Cross multiply
    2,201,561.70x = 3,302,342.55 × 781,761.30
  4. Step 4: Simplify right side
    2,201,561.70x = 2,581,643,604,933.32
  5. Step 5: Solve for x
    x = 2,581,643,604,933.32/2,201,561.70
  6. Step 6: Final answer
    x = 1,172,641.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.