Home / 6,391,986.58-8,820,931.62-3,491,377.48

Finding the Fourth Proportional to 6,391,986.58, 8,820,931.62 and 3,491,377.48

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Solution

The fourth proportional to 6,391,986.58, 8,820,931.62 and 3,491,377.48 is: 4,818,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,986.58 : 8,820,931.62 = 3,491,377.48 : x
  2. Step 2: Convert to fraction form
    6,391,986.58/8,820,931.62 = 3,491,377.48/x
  3. Step 3: Cross multiply
    6,391,986.58x = 8,820,931.62 × 3,491,377.48
  4. Step 4: Simplify right side
    6,391,986.58x = 30,797,202,010,687.91
  5. Step 5: Solve for x
    x = 30,797,202,010,687.91/6,391,986.58
  6. Step 6: Final answer
    x = 4,818,095.54

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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.