Home / 2,876,456.80-4,316,240.40-1,279,266.40

Finding the Fourth Proportional to 2,876,456.80, 4,316,240.40 and 1,279,266.40

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Solution

The fourth proportional to 2,876,456.80, 4,316,240.40 and 1,279,266.40 is: 1,919,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,456.80 : 4,316,240.40 = 1,279,266.40 : x
  2. Step 2: Convert to fraction form
    2,876,456.80/4,316,240.40 = 1,279,266.40/x
  3. Step 3: Cross multiply
    2,876,456.80x = 4,316,240.40 × 1,279,266.40
  4. Step 4: Simplify right side
    2,876,456.80x = 5,521,621,318,042.56
  5. Step 5: Solve for x
    x = 5,521,621,318,042.56/2,876,456.80
  6. Step 6: Final answer
    x = 1,919,591.25

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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.