Home / 5,123,998.20-7,677,702.90-3,227,345.40

Finding the Fourth Proportional to 5,123,998.20, 7,677,702.90 and 3,227,345.40

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Solution

The fourth proportional to 5,123,998.20, 7,677,702.90 and 3,227,345.40 is: 4,835,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,998.20 : 7,677,702.90 = 3,227,345.40 : x
  2. Step 2: Convert to fraction form
    5,123,998.20/7,677,702.90 = 3,227,345.40/x
  3. Step 3: Cross multiply
    5,123,998.20x = 7,677,702.90 × 3,227,345.40
  4. Step 4: Simplify right side
    5,123,998.20x = 24,778,599,136,881.66
  5. Step 5: Solve for x
    x = 24,778,599,136,881.66/5,123,998.20
  6. Step 6: Final answer
    x = 4,835,793.88

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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.