Home / 3,517,064.88-5,272,841.31-1,388,742.09

Finding the Fourth Proportional to 3,517,064.88, 5,272,841.31 and 1,388,742.09

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Solution

The fourth proportional to 3,517,064.88, 5,272,841.31 and 1,388,742.09 is: 2,082,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517,064.88 : 5,272,841.31 = 1,388,742.09 : x
  2. Step 2: Convert to fraction form
    3,517,064.88/5,272,841.31 = 1,388,742.09/x
  3. Step 3: Cross multiply
    3,517,064.88x = 5,272,841.31 × 1,388,742.09
  4. Step 4: Simplify right side
    3,517,064.88x = 7,322,616,661,087.74
  5. Step 5: Solve for x
    x = 7,322,616,661,087.74/3,517,064.88
  6. Step 6: Final answer
    x = 2,082,024.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.