Home / 2,500,279.80-3,751,066.87-771,111.50

Finding the Fourth Proportional to 2,500,279.80, 3,751,066.87 and 771,111.50

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Solution

The fourth proportional to 2,500,279.80, 3,751,066.87 and 771,111.50 is: 1,156,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,279.80 : 3,751,066.87 = 771,111.50 : x
  2. Step 2: Convert to fraction form
    2,500,279.80/3,751,066.87 = 771,111.50/x
  3. Step 3: Cross multiply
    2,500,279.80x = 3,751,066.87 × 771,111.50
  4. Step 4: Simplify right side
    2,500,279.80x = 2,892,490,780,042.89
  5. Step 5: Solve for x
    x = 2,892,490,780,042.89/2,500,279.80
  6. Step 6: Final answer
    x = 1,156,866.83

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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.