Home / 5,431,592.70-8,148,373.20-2,729,116.80

Finding the Fourth Proportional to 5,431,592.70, 8,148,373.20 and 2,729,116.80

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Solution

The fourth proportional to 5,431,592.70, 8,148,373.20 and 2,729,116.80 is: 4,094,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,592.70 : 8,148,373.20 = 2,729,116.80 : x
  2. Step 2: Convert to fraction form
    5,431,592.70/8,148,373.20 = 2,729,116.80/x
  3. Step 3: Cross multiply
    5,431,592.70x = 8,148,373.20 × 2,729,116.80
  4. Step 4: Simplify right side
    5,431,592.70x = 22,237,862,192,789.76
  5. Step 5: Solve for x
    x = 22,237,862,192,789.76/5,431,592.70
  6. Step 6: Final answer
    x = 4,094,169.69

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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.