Home / 5,440,519.80-8,161,086.90-1,654,126.20

Finding the Fourth Proportional to 5,440,519.80, 8,161,086.90 and 1,654,126.20

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Solution

The fourth proportional to 5,440,519.80, 8,161,086.90 and 1,654,126.20 is: 2,481,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,519.80 : 8,161,086.90 = 1,654,126.20 : x
  2. Step 2: Convert to fraction form
    5,440,519.80/8,161,086.90 = 1,654,126.20/x
  3. Step 3: Cross multiply
    5,440,519.80x = 8,161,086.90 × 1,654,126.20
  4. Step 4: Simplify right side
    5,440,519.80x = 13,499,467,661,766.78
  5. Step 5: Solve for x
    x = 13,499,467,661,766.78/5,440,519.80
  6. Step 6: Final answer
    x = 2,481,282.70

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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.