Home / 3,429,663-4,732,593.78-1,979,825.52

Finding the Fourth Proportional to 3,429,663, 4,732,593.78 and 1,979,825.52

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Solution

The fourth proportional to 3,429,663, 4,732,593.78 and 1,979,825.52 is: 2,731,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,663 : 4,732,593.78 = 1,979,825.52 : x
  2. Step 2: Convert to fraction form
    3,429,663/4,732,593.78 = 1,979,825.52/x
  3. Step 3: Cross multiply
    3,429,663x = 4,732,593.78 × 1,979,825.52
  4. Step 4: Simplify right side
    3,429,663x = 9,369,709,941,437.27
  5. Step 5: Solve for x
    x = 9,369,709,941,437.27/3,429,663
  6. Step 6: Final answer
    x = 2,731,962.28

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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.