Home / 1,842,440.16-2,542,572.56-1,068,221.12

Finding the Fourth Proportional to 1,842,440.16, 2,542,572.56 and 1,068,221.12

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Solution

The fourth proportional to 1,842,440.16, 2,542,572.56 and 1,068,221.12 is: 1,474,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,440.16 : 2,542,572.56 = 1,068,221.12 : x
  2. Step 2: Convert to fraction form
    1,842,440.16/2,542,572.56 = 1,068,221.12/x
  3. Step 3: Cross multiply
    1,842,440.16x = 2,542,572.56 × 1,068,221.12
  4. Step 4: Simplify right side
    1,842,440.16x = 2,716,029,707,724.47
  5. Step 5: Solve for x
    x = 2,716,029,707,724.47/1,842,440.16
  6. Step 6: Final answer
    x = 1,474,148.13

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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.