Home / 2,143,116.80-3,214,675.20-944,422.10

Finding the Fourth Proportional to 2,143,116.80, 3,214,675.20 and 944,422.10

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Solution

The fourth proportional to 2,143,116.80, 3,214,675.20 and 944,422.10 is: 1,416,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,116.80 : 3,214,675.20 = 944,422.10 : x
  2. Step 2: Convert to fraction form
    2,143,116.80/3,214,675.20 = 944,422.10/x
  3. Step 3: Cross multiply
    2,143,116.80x = 3,214,675.20 × 944,422.10
  4. Step 4: Simplify right side
    2,143,116.80x = 3,036,010,303,201.92
  5. Step 5: Solve for x
    x = 3,036,010,303,201.92/2,143,116.80
  6. Step 6: Final answer
    x = 1,416,633.15

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Double scale
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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.