Home / 3,749,423.80-5,609,920.20-2,489,711.80

Finding the Fourth Proportional to 3,749,423.80, 5,609,920.20 and 2,489,711.80

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Solution

The fourth proportional to 3,749,423.80, 5,609,920.20 and 2,489,711.80 is: 3,725,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,423.80 : 5,609,920.20 = 2,489,711.80 : x
  2. Step 2: Convert to fraction form
    3,749,423.80/5,609,920.20 = 2,489,711.80/x
  3. Step 3: Cross multiply
    3,749,423.80x = 5,609,920.20 × 2,489,711.80
  4. Step 4: Simplify right side
    3,749,423.80x = 13,967,084,518,998.36
  5. Step 5: Solve for x
    x = 13,967,084,518,998.36/3,749,423.80
  6. Step 6: Final answer
    x = 3,725,128.25

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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.