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Finding the Fourth Proportional to 1,927,969.18, 2,659,046.12 and 1,694,897.79

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Solution

The fourth proportional to 1,927,969.18, 2,659,046.12 and 1,694,897.79 is: 2,337,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,969.18 : 2,659,046.12 = 1,694,897.79 : x
  2. Step 2: Convert to fraction form
    1,927,969.18/2,659,046.12 = 1,694,897.79/x
  3. Step 3: Cross multiply
    1,927,969.18x = 2,659,046.12 × 1,694,897.79
  4. Step 4: Simplify right side
    1,927,969.18x = 4,506,811,397,874.83
  5. Step 5: Solve for x
    x = 4,506,811,397,874.83/1,927,969.18
  6. Step 6: Final answer
    x = 2,337,595.14

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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.