Home / 5,438,666.80-8,158,000.20-2,919,242.80

Finding the Fourth Proportional to 5,438,666.80, 8,158,000.20 and 2,919,242.80

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Solution

The fourth proportional to 5,438,666.80, 8,158,000.20 and 2,919,242.80 is: 4,378,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,666.80 : 8,158,000.20 = 2,919,242.80 : x
  2. Step 2: Convert to fraction form
    5,438,666.80/8,158,000.20 = 2,919,242.80/x
  3. Step 3: Cross multiply
    5,438,666.80x = 8,158,000.20 × 2,919,242.80
  4. Step 4: Simplify right side
    5,438,666.80x = 23,815,183,346,248.56
  5. Step 5: Solve for x
    x = 23,815,183,346,248.56/5,438,666.80
  6. Step 6: Final answer
    x = 4,378,864.20

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1.5x scale

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.