Home / 1,347,774.60-2,016,132.30-1,215,064.20

Finding the Fourth Proportional to 1,347,774.60, 2,016,132.30 and 1,215,064.20

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Solution

The fourth proportional to 1,347,774.60, 2,016,132.30 and 1,215,064.20 is: 1,817,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,774.60 : 2,016,132.30 = 1,215,064.20 : x
  2. Step 2: Convert to fraction form
    1,347,774.60/2,016,132.30 = 1,215,064.20/x
  3. Step 3: Cross multiply
    1,347,774.60x = 2,016,132.30 × 1,215,064.20
  4. Step 4: Simplify right side
    1,347,774.60x = 2,449,730,180,193.66
  5. Step 5: Solve for x
    x = 2,449,730,180,193.66/1,347,774.60
  6. Step 6: Final answer
    x = 1,817,611.18

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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.