Home / 2,182,338.36-3,011,720.41-1,215,468.90

Finding the Fourth Proportional to 2,182,338.36, 3,011,720.41 and 1,215,468.90

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Solution

The fourth proportional to 2,182,338.36, 3,011,720.41 and 1,215,468.90 is: 1,677,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,338.36 : 3,011,720.41 = 1,215,468.90 : x
  2. Step 2: Convert to fraction form
    2,182,338.36/3,011,720.41 = 1,215,468.90/x
  3. Step 3: Cross multiply
    2,182,338.36x = 3,011,720.41 × 1,215,468.90
  4. Step 4: Simplify right side
    2,182,338.36x = 3,660,652,493,850.25
  5. Step 5: Solve for x
    x = 3,660,652,493,850.25/2,182,338.36
  6. Step 6: Final answer
    x = 1,677,399.14

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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.