Home / 3,182,391.18-4,391,807.58-1,732,139.28

Finding the Fourth Proportional to 3,182,391.18, 4,391,807.58 and 1,732,139.28

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Solution

The fourth proportional to 3,182,391.18, 4,391,807.58 and 1,732,139.28 is: 2,390,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,391.18 : 4,391,807.58 = 1,732,139.28 : x
  2. Step 2: Convert to fraction form
    3,182,391.18/4,391,807.58 = 1,732,139.28/x
  3. Step 3: Cross multiply
    3,182,391.18x = 4,391,807.58 × 1,732,139.28
  4. Step 4: Simplify right side
    3,182,391.18x = 7,607,222,419,519.74
  5. Step 5: Solve for x
    x = 7,607,222,419,519.74/3,182,391.18
  6. Step 6: Final answer
    x = 2,390,410.85

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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.