Home / 2,695,147.20-4,042,720.80-1,098,855.90

Finding the Fourth Proportional to 2,695,147.20, 4,042,720.80 and 1,098,855.90

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Solution

The fourth proportional to 2,695,147.20, 4,042,720.80 and 1,098,855.90 is: 1,648,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,147.20 : 4,042,720.80 = 1,098,855.90 : x
  2. Step 2: Convert to fraction form
    2,695,147.20/4,042,720.80 = 1,098,855.90/x
  3. Step 3: Cross multiply
    2,695,147.20x = 4,042,720.80 × 1,098,855.90
  4. Step 4: Simplify right side
    2,695,147.20x = 4,442,367,603,132.72
  5. Step 5: Solve for x
    x = 4,442,367,603,132.72/2,695,147.20
  6. Step 6: Final answer
    x = 1,648,283.85

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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.