Home / 2,142,180.24-3,213,281.40-722,248.62

Finding the Fourth Proportional to 2,142,180.24, 3,213,281.40 and 722,248.62

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Solution

The fourth proportional to 2,142,180.24, 3,213,281.40 and 722,248.62 is: 1,083,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,180.24 : 3,213,281.40 = 722,248.62 : x
  2. Step 2: Convert to fraction form
    2,142,180.24/3,213,281.40 = 722,248.62/x
  3. Step 3: Cross multiply
    2,142,180.24x = 3,213,281.40 × 722,248.62
  4. Step 4: Simplify right side
    2,142,180.24x = 2,320,788,056,821.67
  5. Step 5: Solve for x
    x = 2,320,788,056,821.67/2,142,180.24
  6. Step 6: Final answer
    x = 1,083,376.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.