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Finding the Fourth Proportional to 1,898,541.92, 2,619,978.42 and 1,027,376

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Solution

The fourth proportional to 1,898,541.92, 2,619,978.42 and 1,027,376 is: 1,417,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,541.92 : 2,619,978.42 = 1,027,376 : x
  2. Step 2: Convert to fraction form
    1,898,541.92/2,619,978.42 = 1,027,376/x
  3. Step 3: Cross multiply
    1,898,541.92x = 2,619,978.42 × 1,027,376
  4. Step 4: Simplify right side
    1,898,541.92x = 2,691,702,949,225.92
  5. Step 5: Solve for x
    x = 2,691,702,949,225.92/1,898,541.92
  6. Step 6: Final answer
    x = 1,417,773.78

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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.