Home / 3,102,435.61-4,653,654.76-972,685.78

Finding the Fourth Proportional to 3,102,435.61, 4,653,654.76 and 972,685.78

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Solution

The fourth proportional to 3,102,435.61, 4,653,654.76 and 972,685.78 is: 1,459,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,435.61 : 4,653,654.76 = 972,685.78 : x
  2. Step 2: Convert to fraction form
    3,102,435.61/4,653,654.76 = 972,685.78/x
  3. Step 3: Cross multiply
    3,102,435.61x = 4,653,654.76 × 972,685.78
  4. Step 4: Simplify right side
    3,102,435.61x = 4,526,543,799,663.03
  5. Step 5: Solve for x
    x = 4,526,543,799,663.03/3,102,435.61
  6. Step 6: Final answer
    x = 1,459,029.09

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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.