Home / 5,153,414.40-7,111,890.72-2,861,613.36

Finding the Fourth Proportional to 5,153,414.40, 7,111,890.72 and 2,861,613.36

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Solution

The fourth proportional to 5,153,414.40, 7,111,890.72 and 2,861,613.36 is: 3,949,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,414.40 : 7,111,890.72 = 2,861,613.36 : x
  2. Step 2: Convert to fraction form
    5,153,414.40/7,111,890.72 = 2,861,613.36/x
  3. Step 3: Cross multiply
    5,153,414.40x = 7,111,890.72 × 2,861,613.36
  4. Step 4: Simplify right side
    5,153,414.40x = 20,351,481,499,212.02
  5. Step 5: Solve for x
    x = 20,351,481,499,212.02/5,153,414.40
  6. Step 6: Final answer
    x = 3,949,125.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.