Home / 6,520,805.76-8,998,536.66-3,908,785.38

Finding the Fourth Proportional to 6,520,805.76, 8,998,536.66 and 3,908,785.38

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Solution

The fourth proportional to 6,520,805.76, 8,998,536.66 and 3,908,785.38 is: 5,394,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,805.76 : 8,998,536.66 = 3,908,785.38 : x
  2. Step 2: Convert to fraction form
    6,520,805.76/8,998,536.66 = 3,908,785.38/x
  3. Step 3: Cross multiply
    6,520,805.76x = 8,998,536.66 × 3,908,785.38
  4. Step 4: Simplify right side
    6,520,805.76x = 35,173,348,538,002.03
  5. Step 5: Solve for x
    x = 35,173,348,538,002.03/6,520,805.76
  6. Step 6: Final answer
    x = 5,394,018.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.