Home / 2,874,138.60-4,311,207.90-2,857,549.80

Finding the Fourth Proportional to 2,874,138.60, 4,311,207.90 and 2,857,549.80

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Solution

The fourth proportional to 2,874,138.60, 4,311,207.90 and 2,857,549.80 is: 4,286,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,138.60 : 4,311,207.90 = 2,857,549.80 : x
  2. Step 2: Convert to fraction form
    2,874,138.60/4,311,207.90 = 2,857,549.80/x
  3. Step 3: Cross multiply
    2,874,138.60x = 4,311,207.90 × 2,857,549.80
  4. Step 4: Simplify right side
    2,874,138.60x = 12,319,491,272,403.42
  5. Step 5: Solve for x
    x = 12,319,491,272,403.42/2,874,138.60
  6. Step 6: Final answer
    x = 4,286,324.70

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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.