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Finding the Fourth Proportional to 3,933,478.16, 5,900,674.08 and 1,373,900.88

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Solution

The fourth proportional to 3,933,478.16, 5,900,674.08 and 1,373,900.88 is: 2,061,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,478.16 : 5,900,674.08 = 1,373,900.88 : x
  2. Step 2: Convert to fraction form
    3,933,478.16/5,900,674.08 = 1,373,900.88/x
  3. Step 3: Cross multiply
    3,933,478.16x = 5,900,674.08 × 1,373,900.88
  4. Step 4: Simplify right side
    3,933,478.16x = 8,106,941,311,105.19
  5. Step 5: Solve for x
    x = 8,106,941,311,105.19/3,933,478.16
  6. Step 6: Final answer
    x = 2,061,010.89

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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.