Home / 6,491,989-8,959,208.61-3,591,329.86

Finding the Fourth Proportional to 6,491,989, 8,959,208.61 and 3,591,329.86

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Solution

The fourth proportional to 6,491,989, 8,959,208.61 and 3,591,329.86 is: 4,956,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,989 : 8,959,208.61 = 3,591,329.86 : x
  2. Step 2: Convert to fraction form
    6,491,989/8,959,208.61 = 3,591,329.86/x
  3. Step 3: Cross multiply
    6,491,989x = 8,959,208.61 × 3,591,329.86
  4. Step 4: Simplify right side
    6,491,989x = 32,175,473,403,062.09
  5. Step 5: Solve for x
    x = 32,175,473,403,062.09/6,491,989
  6. Step 6: Final answer
    x = 4,956,181.13

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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.