Home / 3,281,153.60-4,923,112.80-1,786,318.40

Finding the Fourth Proportional to 3,281,153.60, 4,923,112.80 and 1,786,318.40

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Solution

The fourth proportional to 3,281,153.60, 4,923,112.80 and 1,786,318.40 is: 2,680,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,153.60 : 4,923,112.80 = 1,786,318.40 : x
  2. Step 2: Convert to fraction form
    3,281,153.60/4,923,112.80 = 1,786,318.40/x
  3. Step 3: Cross multiply
    3,281,153.60x = 4,923,112.80 × 1,786,318.40
  4. Step 4: Simplify right side
    3,281,153.60x = 8,794,246,979,915.52
  5. Step 5: Solve for x
    x = 8,794,246,979,915.52/3,281,153.60
  6. Step 6: Final answer
    x = 2,680,230.20

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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.