Home / 5,371,859.80-8,057,789.70-4,154,138.20

Finding the Fourth Proportional to 5,371,859.80, 8,057,789.70 and 4,154,138.20

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Solution

The fourth proportional to 5,371,859.80, 8,057,789.70 and 4,154,138.20 is: 6,231,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371,859.80 : 8,057,789.70 = 4,154,138.20 : x
  2. Step 2: Convert to fraction form
    5,371,859.80/8,057,789.70 = 4,154,138.20/x
  3. Step 3: Cross multiply
    5,371,859.80x = 8,057,789.70 × 4,154,138.20
  4. Step 4: Simplify right side
    5,371,859.80x = 33,473,172,000,336.54
  5. Step 5: Solve for x
    x = 33,473,172,000,336.54/5,371,859.80
  6. Step 6: Final answer
    x = 6,231,207.30

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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.