Home / 2,215,488.68-3,057,428.44-1,235,418.15

Finding the Fourth Proportional to 2,215,488.68, 3,057,428.44 and 1,235,418.15

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Solution

The fourth proportional to 2,215,488.68, 3,057,428.44 and 1,235,418.15 is: 1,704,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,488.68 : 3,057,428.44 = 1,235,418.15 : x
  2. Step 2: Convert to fraction form
    2,215,488.68/3,057,428.44 = 1,235,418.15/x
  3. Step 3: Cross multiply
    2,215,488.68x = 3,057,428.44 × 1,235,418.15
  4. Step 4: Simplify right side
    2,215,488.68x = 3,777,202,570,840.15
  5. Step 5: Solve for x
    x = 3,777,202,570,840.15/2,215,488.68
  6. Step 6: Final answer
    x = 1,704,907.19

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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.