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Finding the Fourth Proportional to 1,890,713.92, 2,610,462.92 and 1,454,356.40

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Solution

The fourth proportional to 1,890,713.92, 2,610,462.92 and 1,454,356.40 is: 2,007,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,713.92 : 2,610,462.92 = 1,454,356.40 : x
  2. Step 2: Convert to fraction form
    1,890,713.92/2,610,462.92 = 1,454,356.40/x
  3. Step 3: Cross multiply
    1,890,713.92x = 2,610,462.92 × 1,454,356.40
  4. Step 4: Simplify right side
    1,890,713.92x = 3,796,543,454,664.69
  5. Step 5: Solve for x
    x = 3,796,543,454,664.69/1,890,713.92
  6. Step 6: Final answer
    x = 2,007,994.66

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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.