Home / 2,784,458.60-4,176,687.90-891,261.80

Finding the Fourth Proportional to 2,784,458.60, 4,176,687.90 and 891,261.80

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Solution

The fourth proportional to 2,784,458.60, 4,176,687.90 and 891,261.80 is: 1,336,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,458.60 : 4,176,687.90 = 891,261.80 : x
  2. Step 2: Convert to fraction form
    2,784,458.60/4,176,687.90 = 891,261.80/x
  3. Step 3: Cross multiply
    2,784,458.60x = 4,176,687.90 × 891,261.80
  4. Step 4: Simplify right side
    2,784,458.60x = 3,722,522,375,792.22
  5. Step 5: Solve for x
    x = 3,722,522,375,792.22/2,784,458.60
  6. Step 6: Final answer
    x = 1,336,892.70

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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.