Home / 2,087,810.52-3,131,715.80-511,874.52

Finding the Fourth Proportional to 2,087,810.52, 3,131,715.80 and 511,874.52

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Solution

The fourth proportional to 2,087,810.52, 3,131,715.80 and 511,874.52 is: 767,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,810.52 : 3,131,715.80 = 511,874.52 : x
  2. Step 2: Convert to fraction form
    2,087,810.52/3,131,715.80 = 511,874.52/x
  3. Step 3: Cross multiply
    2,087,810.52x = 3,131,715.80 × 511,874.52
  4. Step 4: Simplify right side
    2,087,810.52x = 1,603,045,521,901.42
  5. Step 5: Solve for x
    x = 1,603,045,521,901.42/2,087,810.52
  6. Step 6: Final answer
    x = 767,811.78

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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.