Home / 5,421,716.20-8,123,243.10-3,527,482.60

Finding the Fourth Proportional to 5,421,716.20, 8,123,243.10 and 3,527,482.60

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Solution

The fourth proportional to 5,421,716.20, 8,123,243.10 and 3,527,482.60 is: 5,285,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,716.20 : 8,123,243.10 = 3,527,482.60 : x
  2. Step 2: Convert to fraction form
    5,421,716.20/8,123,243.10 = 3,527,482.60/x
  3. Step 3: Cross multiply
    5,421,716.20x = 8,123,243.10 × 3,527,482.60
  4. Step 4: Simplify right side
    5,421,716.20x = 28,654,598,690,820.06
  5. Step 5: Solve for x
    x = 28,654,598,690,820.06/5,421,716.20
  6. Step 6: Final answer
    x = 5,285,152.83

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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.