Home / 6,643,105.20-9,964,139.40-2,598,807.60

Finding the Fourth Proportional to 6,643,105.20, 9,964,139.40 and 2,598,807.60

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Solution

The fourth proportional to 6,643,105.20, 9,964,139.40 and 2,598,807.60 is: 3,898,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,105.20 : 9,964,139.40 = 2,598,807.60 : x
  2. Step 2: Convert to fraction form
    6,643,105.20/9,964,139.40 = 2,598,807.60/x
  3. Step 3: Cross multiply
    6,643,105.20x = 9,964,139.40 × 2,598,807.60
  4. Step 4: Simplify right side
    6,643,105.20x = 25,894,881,200,179.44
  5. Step 5: Solve for x
    x = 25,894,881,200,179.44/6,643,105.20
  6. Step 6: Final answer
    x = 3,898,008.60

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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.