Home / 2,987,867.72-4,122,082.44-1,839,955.16

Finding the Fourth Proportional to 2,987,867.72, 4,122,082.44 and 1,839,955.16

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Solution

The fourth proportional to 2,987,867.72, 4,122,082.44 and 1,839,955.16 is: 2,538,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,867.72 : 4,122,082.44 = 1,839,955.16 : x
  2. Step 2: Convert to fraction form
    2,987,867.72/4,122,082.44 = 1,839,955.16/x
  3. Step 3: Cross multiply
    2,987,867.72x = 4,122,082.44 × 1,839,955.16
  4. Step 4: Simplify right side
    2,987,867.72x = 7,584,446,855,423.39
  5. Step 5: Solve for x
    x = 7,584,446,855,423.39/2,987,867.72
  6. Step 6: Final answer
    x = 2,538,414.54

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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.