Home / 2,182,702.79-3,012,132.62-1,189,265.88

Finding the Fourth Proportional to 2,182,702.79, 3,012,132.62 and 1,189,265.88

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Solution

The fourth proportional to 2,182,702.79, 3,012,132.62 and 1,189,265.88 is: 1,641,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,702.79 : 3,012,132.62 = 1,189,265.88 : x
  2. Step 2: Convert to fraction form
    2,182,702.79/3,012,132.62 = 1,189,265.88/x
  3. Step 3: Cross multiply
    2,182,702.79x = 3,012,132.62 × 1,189,265.88
  4. Step 4: Simplify right side
    2,182,702.79x = 3,582,226,542,678.67
  5. Step 5: Solve for x
    x = 3,582,226,542,678.67/2,182,702.79
  6. Step 6: Final answer
    x = 1,641,188.42

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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.