Home / 5,472,132.20-8,208,198.30-1,686,775.40

Finding the Fourth Proportional to 5,472,132.20, 8,208,198.30 and 1,686,775.40

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Solution

The fourth proportional to 5,472,132.20, 8,208,198.30 and 1,686,775.40 is: 2,530,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,132.20 : 8,208,198.30 = 1,686,775.40 : x
  2. Step 2: Convert to fraction form
    5,472,132.20/8,208,198.30 = 1,686,775.40/x
  3. Step 3: Cross multiply
    5,472,132.20x = 8,208,198.30 × 1,686,775.40
  4. Step 4: Simplify right side
    5,472,132.20x = 13,845,386,970,761.82
  5. Step 5: Solve for x
    x = 13,845,386,970,761.82/5,472,132.20
  6. Step 6: Final answer
    x = 2,530,163.10

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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.