Home / 3,423,874.80-5,135,423.40-899,785.20

Finding the Fourth Proportional to 3,423,874.80, 5,135,423.40 and 899,785.20

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Solution

The fourth proportional to 3,423,874.80, 5,135,423.40 and 899,785.20 is: 1,349,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423,874.80 : 5,135,423.40 = 899,785.20 : x
  2. Step 2: Convert to fraction form
    3,423,874.80/5,135,423.40 = 899,785.20/x
  3. Step 3: Cross multiply
    3,423,874.80x = 5,135,423.40 × 899,785.20
  4. Step 4: Simplify right side
    3,423,874.80x = 4,620,777,971,053.68
  5. Step 5: Solve for x
    x = 4,620,777,971,053.68/3,423,874.80
  6. Step 6: Final answer
    x = 1,349,575.62

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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.