Home / 2,781,279.88-4,172,566.83-862,089.28

Finding the Fourth Proportional to 2,781,279.88, 4,172,566.83 and 862,089.28

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Solution

The fourth proportional to 2,781,279.88, 4,172,566.83 and 862,089.28 is: 1,293,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,279.88 : 4,172,566.83 = 862,089.28 : x
  2. Step 2: Convert to fraction form
    2,781,279.88/4,172,566.83 = 862,089.28/x
  3. Step 3: Cross multiply
    2,781,279.88x = 4,172,566.83 × 862,089.28
  4. Step 4: Simplify right side
    2,781,279.88x = 3,597,125,134,226.58
  5. Step 5: Solve for x
    x = 3,597,125,134,226.58/2,781,279.88
  6. Step 6: Final answer
    x = 1,293,334.47

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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.