Home / 1,842,889.92-2,542,318.56-1,078,470.24

Finding the Fourth Proportional to 1,842,889.92, 2,542,318.56 and 1,078,470.24

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Solution

The fourth proportional to 1,842,889.92, 2,542,318.56 and 1,078,470.24 is: 1,487,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,889.92 : 2,542,318.56 = 1,078,470.24 : x
  2. Step 2: Convert to fraction form
    1,842,889.92/2,542,318.56 = 1,078,470.24/x
  3. Step 3: Cross multiply
    1,842,889.92x = 2,542,318.56 × 1,078,470.24
  4. Step 4: Simplify right side
    1,842,889.92x = 2,741,814,907,559.65
  5. Step 5: Solve for x
    x = 2,741,814,907,559.65/1,842,889.92
  6. Step 6: Final answer
    x = 1,487,780.08

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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.