Home / 3,172,007.28-4,377,374.48-1,721,703.02

Finding the Fourth Proportional to 3,172,007.28, 4,377,374.48 and 1,721,703.02

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Solution

The fourth proportional to 3,172,007.28, 4,377,374.48 and 1,721,703.02 is: 2,375,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,007.28 : 4,377,374.48 = 1,721,703.02 : x
  2. Step 2: Convert to fraction form
    3,172,007.28/4,377,374.48 = 1,721,703.02/x
  3. Step 3: Cross multiply
    3,172,007.28x = 4,377,374.48 × 1,721,703.02
  4. Step 4: Simplify right side
    3,172,007.28x = 7,536,538,861,886.93
  5. Step 5: Solve for x
    x = 7,536,538,861,886.93/3,172,007.28
  6. Step 6: Final answer
    x = 2,375,952.57

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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.