Home / 2,086,270.60-3,129,794.70-666,729.40

Finding the Fourth Proportional to 2,086,270.60, 3,129,794.70 and 666,729.40

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Solution

The fourth proportional to 2,086,270.60, 3,129,794.70 and 666,729.40 is: 1,000,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,270.60 : 3,129,794.70 = 666,729.40 : x
  2. Step 2: Convert to fraction form
    2,086,270.60/3,129,794.70 = 666,729.40/x
  3. Step 3: Cross multiply
    2,086,270.60x = 3,129,794.70 × 666,729.40
  4. Step 4: Simplify right side
    2,086,270.60x = 2,086,726,142,454.18
  5. Step 5: Solve for x
    x = 2,086,726,142,454.18/2,086,270.60
  6. Step 6: Final answer
    x = 1,000,218.35

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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.