Home / 2,172,817.20-3,259,225.80-1,612,945.20

Finding the Fourth Proportional to 2,172,817.20, 3,259,225.80 and 1,612,945.20

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Solution

The fourth proportional to 2,172,817.20, 3,259,225.80 and 1,612,945.20 is: 2,419,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,817.20 : 3,259,225.80 = 1,612,945.20 : x
  2. Step 2: Convert to fraction form
    2,172,817.20/3,259,225.80 = 1,612,945.20/x
  3. Step 3: Cross multiply
    2,172,817.20x = 3,259,225.80 × 1,612,945.20
  4. Step 4: Simplify right side
    2,172,817.20x = 5,256,952,609,826.16
  5. Step 5: Solve for x
    x = 5,256,952,609,826.16/2,172,817.20
  6. Step 6: Final answer
    x = 2,419,417.80

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Similar ratio
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1.5x scale

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.