Home / 5,623,545.80-8,436,009.90-1,836,000.20

Finding the Fourth Proportional to 5,623,545.80, 8,436,009.90 and 1,836,000.20

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Solution

The fourth proportional to 5,623,545.80, 8,436,009.90 and 1,836,000.20 is: 2,754,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623,545.80 : 8,436,009.90 = 1,836,000.20 : x
  2. Step 2: Convert to fraction form
    5,623,545.80/8,436,009.90 = 1,836,000.20/x
  3. Step 3: Cross multiply
    5,623,545.80x = 8,436,009.90 × 1,836,000.20
  4. Step 4: Simplify right side
    5,623,545.80x = 15,488,515,863,601.98
  5. Step 5: Solve for x
    x = 15,488,515,863,601.98/5,623,545.80
  6. Step 6: Final answer
    x = 2,754,225.97

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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.