Home / 7,242,689.20-10,864,033.80-2,193,999.70

Finding the Fourth Proportional to 7,242,689.20, 10,864,033.80 and 2,193,999.70

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Solution

The fourth proportional to 7,242,689.20, 10,864,033.80 and 2,193,999.70 is: 3,290,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,689.20 : 10,864,033.80 = 2,193,999.70 : x
  2. Step 2: Convert to fraction form
    7,242,689.20/10,864,033.80 = 2,193,999.70/x
  3. Step 3: Cross multiply
    7,242,689.20x = 10,864,033.80 × 2,193,999.70
  4. Step 4: Simplify right side
    7,242,689.20x = 23,835,686,897,989.86
  5. Step 5: Solve for x
    x = 23,835,686,897,989.86/7,242,689.20
  6. Step 6: Final answer
    x = 3,290,999.55

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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.