Home / 3,740,588.76-5,161,909.28-2,108,981.90

Finding the Fourth Proportional to 3,740,588.76, 5,161,909.28 and 2,108,981.90

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Solution

The fourth proportional to 3,740,588.76, 5,161,909.28 and 2,108,981.90 is: 2,910,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,588.76 : 5,161,909.28 = 2,108,981.90 : x
  2. Step 2: Convert to fraction form
    3,740,588.76/5,161,909.28 = 2,108,981.90/x
  3. Step 3: Cross multiply
    3,740,588.76x = 5,161,909.28 × 2,108,981.90
  4. Step 4: Simplify right side
    3,740,588.76x = 10,886,373,240,962.03
  5. Step 5: Solve for x
    x = 10,886,373,240,962.03/3,740,588.76
  6. Step 6: Final answer
    x = 2,910,336.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.