Home / 1,838,416.32-2,535,978.42-1,103,180.40

Finding the Fourth Proportional to 1,838,416.32, 2,535,978.42 and 1,103,180.40

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Solution

The fourth proportional to 1,838,416.32, 2,535,978.42 and 1,103,180.40 is: 1,521,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,416.32 : 2,535,978.42 = 1,103,180.40 : x
  2. Step 2: Convert to fraction form
    1,838,416.32/2,535,978.42 = 1,103,180.40/x
  3. Step 3: Cross multiply
    1,838,416.32x = 2,535,978.42 × 1,103,180.40
  4. Step 4: Simplify right side
    1,838,416.32x = 2,797,641,687,766.97
  5. Step 5: Solve for x
    x = 2,797,641,687,766.97/1,838,416.32
  6. Step 6: Final answer
    x = 1,521,767.22

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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.