Home / 6,384,545.20-9,576,817.80-3,991,092.40

Finding the Fourth Proportional to 6,384,545.20, 9,576,817.80 and 3,991,092.40

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Solution

The fourth proportional to 6,384,545.20, 9,576,817.80 and 3,991,092.40 is: 5,986,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,545.20 : 9,576,817.80 = 3,991,092.40 : x
  2. Step 2: Convert to fraction form
    6,384,545.20/9,576,817.80 = 3,991,092.40/x
  3. Step 3: Cross multiply
    6,384,545.20x = 9,576,817.80 × 3,991,092.40
  4. Step 4: Simplify right side
    6,384,545.20x = 38,221,964,737,764.72
  5. Step 5: Solve for x
    x = 38,221,964,737,764.72/6,384,545.20
  6. Step 6: Final answer
    x = 5,986,638.60

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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.