Home / 2,087,808.52-3,131,712.80-511,872.52

Finding the Fourth Proportional to 2,087,808.52, 3,131,712.80 and 511,872.52

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Solution

The fourth proportional to 2,087,808.52, 3,131,712.80 and 511,872.52 is: 767,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,808.52 : 3,131,712.80 = 511,872.52 : x
  2. Step 2: Convert to fraction form
    2,087,808.52/3,131,712.80 = 511,872.52/x
  3. Step 3: Cross multiply
    2,087,808.52x = 3,131,712.80 × 511,872.52
  4. Step 4: Simplify right side
    2,087,808.52x = 1,603,037,722,852.26
  5. Step 5: Solve for x
    x = 1,603,037,722,852.26/2,087,808.52
  6. Step 6: Final answer
    x = 767,808.78

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Double scale
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Similar ratio
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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.