Home / 1,913,886.38-2,641,155.31-1,042,718.62

Finding the Fourth Proportional to 1,913,886.38, 2,641,155.31 and 1,042,718.62

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Solution

The fourth proportional to 1,913,886.38, 2,641,155.31 and 1,042,718.62 is: 1,438,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,886.38 : 2,641,155.31 = 1,042,718.62 : x
  2. Step 2: Convert to fraction form
    1,913,886.38/2,641,155.31 = 1,042,718.62/x
  3. Step 3: Cross multiply
    1,913,886.38x = 2,641,155.31 × 1,042,718.62
  4. Step 4: Simplify right side
    1,913,886.38x = 2,753,981,813,836.26
  5. Step 5: Solve for x
    x = 2,753,981,813,836.26/1,913,886.38
  6. Step 6: Final answer
    x = 1,438,947.39

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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.