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Finding the Fourth Proportional to 1,900,691.96, 2,622,844.68 and 1,041,102.56

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Solution

The fourth proportional to 1,900,691.96, 2,622,844.68 and 1,041,102.56 is: 1,436,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,691.96 : 2,622,844.68 = 1,041,102.56 : x
  2. Step 2: Convert to fraction form
    1,900,691.96/2,622,844.68 = 1,041,102.56/x
  3. Step 3: Cross multiply
    1,900,691.96x = 2,622,844.68 × 1,041,102.56
  4. Step 4: Simplify right side
    1,900,691.96x = 2,730,650,310,830.38
  5. Step 5: Solve for x
    x = 2,730,650,310,830.38/1,900,691.96
  6. Step 6: Final answer
    x = 1,436,661.16

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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.