Home / 2,121,341.28-3,182,408.01-702,396.24

Finding the Fourth Proportional to 2,121,341.28, 3,182,408.01 and 702,396.24

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Solution

The fourth proportional to 2,121,341.28, 3,182,408.01 and 702,396.24 is: 1,053,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,341.28 : 3,182,408.01 = 702,396.24 : x
  2. Step 2: Convert to fraction form
    2,121,341.28/3,182,408.01 = 702,396.24/x
  3. Step 3: Cross multiply
    2,121,341.28x = 3,182,408.01 × 702,396.24
  4. Step 4: Simplify right side
    2,121,341.28x = 2,235,311,420,369.88
  5. Step 5: Solve for x
    x = 2,235,311,420,369.88/2,121,341.28
  6. Step 6: Final answer
    x = 1,053,725.51

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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.