Home / 3,866,367.28-5,335,438.44-2,147,597.68

Finding the Fourth Proportional to 3,866,367.28, 5,335,438.44 and 2,147,597.68

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Solution

The fourth proportional to 3,866,367.28, 5,335,438.44 and 2,147,597.68 is: 2,963,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,367.28 : 5,335,438.44 = 2,147,597.68 : x
  2. Step 2: Convert to fraction form
    3,866,367.28/5,335,438.44 = 2,147,597.68/x
  3. Step 3: Cross multiply
    3,866,367.28x = 5,335,438.44 × 2,147,597.68
  4. Step 4: Simplify right side
    3,866,367.28x = 11,458,375,215,526.82
  5. Step 5: Solve for x
    x = 11,458,375,215,526.82/3,866,367.28
  6. Step 6: Final answer
    x = 2,963,602.37

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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.