Home / 6,435,650.12-9,653,469.60-1,643,340.20

Finding the Fourth Proportional to 6,435,650.12, 9,653,469.60 and 1,643,340.20

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Solution

The fourth proportional to 6,435,650.12, 9,653,469.60 and 1,643,340.20 is: 2,465,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,650.12 : 9,653,469.60 = 1,643,340.20 : x
  2. Step 2: Convert to fraction form
    6,435,650.12/9,653,469.60 = 1,643,340.20/x
  3. Step 3: Cross multiply
    6,435,650.12x = 9,653,469.60 × 1,643,340.20
  4. Step 4: Simplify right side
    6,435,650.12x = 15,863,934,663,157.92
  5. Step 5: Solve for x
    x = 15,863,934,663,157.92/6,435,650.12
  6. Step 6: Final answer
    x = 2,465,008.88

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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.