Home / 6,878,146.56-9,491,120.64-3,821,867.52

Finding the Fourth Proportional to 6,878,146.56, 9,491,120.64 and 3,821,867.52

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Solution

The fourth proportional to 6,878,146.56, 9,491,120.64 and 3,821,867.52 is: 5,273,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,146.56 : 9,491,120.64 = 3,821,867.52 : x
  2. Step 2: Convert to fraction form
    6,878,146.56/9,491,120.64 = 3,821,867.52/x
  3. Step 3: Cross multiply
    6,878,146.56x = 9,491,120.64 × 3,821,867.52
  4. Step 4: Simplify right side
    6,878,146.56x = 36,273,805,702,417.62
  5. Step 5: Solve for x
    x = 36,273,805,702,417.62/6,878,146.56
  6. Step 6: Final answer
    x = 5,273,776.21

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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.