Home / 5,311,937.18-7,964,491.09-3,488,147.30

Finding the Fourth Proportional to 5,311,937.18, 7,964,491.09 and 3,488,147.30

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Solution

The fourth proportional to 5,311,937.18, 7,964,491.09 and 3,488,147.30 is: 5,229,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311,937.18 : 7,964,491.09 = 3,488,147.30 : x
  2. Step 2: Convert to fraction form
    5,311,937.18/7,964,491.09 = 3,488,147.30/x
  3. Step 3: Cross multiply
    5,311,937.18x = 7,964,491.09 × 3,488,147.30
  4. Step 4: Simplify right side
    5,311,937.18x = 27,781,318,091,457.55
  5. Step 5: Solve for x
    x = 27,781,318,091,457.55/5,311,937.18
  6. Step 6: Final answer
    x = 5,229,978.66

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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.