Home / 3,520,659.60-5,280,989.40-861,267.60

Finding the Fourth Proportional to 3,520,659.60, 5,280,989.40 and 861,267.60

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Solution

The fourth proportional to 3,520,659.60, 5,280,989.40 and 861,267.60 is: 1,291,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,659.60 : 5,280,989.40 = 861,267.60 : x
  2. Step 2: Convert to fraction form
    3,520,659.60/5,280,989.40 = 861,267.60/x
  3. Step 3: Cross multiply
    3,520,659.60x = 5,280,989.40 × 861,267.60
  4. Step 4: Simplify right side
    3,520,659.60x = 4,548,345,066,163.44
  5. Step 5: Solve for x
    x = 4,548,345,066,163.44/3,520,659.60
  6. Step 6: Final answer
    x = 1,291,901.40

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Similar ratio
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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.