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Finding the Fourth Proportional to 2,149,343.71, 2,966,089.87 and 1,182,471.71

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Solution

The fourth proportional to 2,149,343.71, 2,966,089.87 and 1,182,471.71 is: 1,631,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,343.71 : 2,966,089.87 = 1,182,471.71 : x
  2. Step 2: Convert to fraction form
    2,149,343.71/2,966,089.87 = 1,182,471.71/x
  3. Step 3: Cross multiply
    2,149,343.71x = 2,966,089.87 × 1,182,471.71
  4. Step 4: Simplify right side
    2,149,343.71x = 3,507,317,347,240.22
  5. Step 5: Solve for x
    x = 3,507,317,347,240.22/2,149,343.71
  6. Step 6: Final answer
    x = 1,631,808.51

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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.