Home / 3,146,343.88-4,339,487.85-2,153,500.15

Finding the Fourth Proportional to 3,146,343.88, 4,339,487.85 and 2,153,500.15

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Solution

The fourth proportional to 3,146,343.88, 4,339,487.85 and 2,153,500.15 is: 2,970,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,343.88 : 4,339,487.85 = 2,153,500.15 : x
  2. Step 2: Convert to fraction form
    3,146,343.88/4,339,487.85 = 2,153,500.15/x
  3. Step 3: Cross multiply
    3,146,343.88x = 4,339,487.85 × 2,153,500.15
  4. Step 4: Simplify right side
    3,146,343.88x = 9,345,087,735,898.18
  5. Step 5: Solve for x
    x = 9,345,087,735,898.18/3,146,343.88
  6. Step 6: Final answer
    x = 2,970,141.88

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1.5x scale

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.