Home / 5,098,385.40-7,648,730.28-1,686,663.96

Finding the Fourth Proportional to 5,098,385.40, 7,648,730.28 and 1,686,663.96

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Solution

The fourth proportional to 5,098,385.40, 7,648,730.28 and 1,686,663.96 is: 2,530,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098,385.40 : 7,648,730.28 = 1,686,663.96 : x
  2. Step 2: Convert to fraction form
    5,098,385.40/7,648,730.28 = 1,686,663.96/x
  3. Step 3: Cross multiply
    5,098,385.40x = 7,648,730.28 × 1,686,663.96
  4. Step 4: Simplify right side
    5,098,385.40x = 12,900,837,703,036.71
  5. Step 5: Solve for x
    x = 12,900,837,703,036.71/5,098,385.40
  6. Step 6: Final answer
    x = 2,530,377.11

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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.