Home / 6,580,107.78-9,080,578.35-3,679,499.70

Finding the Fourth Proportional to 6,580,107.78, 9,080,578.35 and 3,679,499.70

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Solution

The fourth proportional to 6,580,107.78, 9,080,578.35 and 3,679,499.70 is: 5,077,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580,107.78 : 9,080,578.35 = 3,679,499.70 : x
  2. Step 2: Convert to fraction form
    6,580,107.78/9,080,578.35 = 3,679,499.70/x
  3. Step 3: Cross multiply
    6,580,107.78x = 9,080,578.35 × 3,679,499.70
  4. Step 4: Simplify right side
    6,580,107.78x = 33,411,985,314,651.50
  5. Step 5: Solve for x
    x = 33,411,985,314,651.50/6,580,107.78
  6. Step 6: Final answer
    x = 5,077,726.15

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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.