Home / 1,842,378.30-2,542,487.22-1,068,159.60

Finding the Fourth Proportional to 1,842,378.30, 2,542,487.22 and 1,068,159.60

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Solution

The fourth proportional to 1,842,378.30, 2,542,487.22 and 1,068,159.60 is: 1,474,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,378.30 : 2,542,487.22 = 1,068,159.60 : x
  2. Step 2: Convert to fraction form
    1,842,378.30/2,542,487.22 = 1,068,159.60/x
  3. Step 3: Cross multiply
    1,842,378.30x = 2,542,487.22 × 1,068,159.60
  4. Step 4: Simplify right side
    1,842,378.30x = 2,715,782,131,920.31
  5. Step 5: Solve for x
    x = 2,715,782,131,920.31/1,842,378.30
  6. Step 6: Final answer
    x = 1,474,063.24

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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.