Home / 2,911,265.61-4,366,897.84-781,349.73

Finding the Fourth Proportional to 2,911,265.61, 4,366,897.84 and 781,349.73

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Solution

The fourth proportional to 2,911,265.61, 4,366,897.84 and 781,349.73 is: 1,172,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,265.61 : 4,366,897.84 = 781,349.73 : x
  2. Step 2: Convert to fraction form
    2,911,265.61/4,366,897.84 = 781,349.73/x
  3. Step 3: Cross multiply
    2,911,265.61x = 4,366,897.84 × 781,349.73
  4. Step 4: Simplify right side
    2,911,265.61x = 3,412,074,448,221.58
  5. Step 5: Solve for x
    x = 3,412,074,448,221.58/2,911,265.61
  6. Step 6: Final answer
    x = 1,172,024.44

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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.