Home / 6,647,216.80-9,970,825.20-2,388,042.40

Finding the Fourth Proportional to 6,647,216.80, 9,970,825.20 and 2,388,042.40

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Solution

The fourth proportional to 6,647,216.80, 9,970,825.20 and 2,388,042.40 is: 3,582,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,216.80 : 9,970,825.20 = 2,388,042.40 : x
  2. Step 2: Convert to fraction form
    6,647,216.80/9,970,825.20 = 2,388,042.40/x
  3. Step 3: Cross multiply
    6,647,216.80x = 9,970,825.20 × 2,388,042.40
  4. Step 4: Simplify right side
    6,647,216.80x = 23,810,753,340,588.48
  5. Step 5: Solve for x
    x = 23,810,753,340,588.48/6,647,216.80
  6. Step 6: Final answer
    x = 3,582,063.60

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Double scale
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Similar ratio
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1.5x scale

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.