Home / 3,640,722.88-5,024,318.25-1,986,960.55

Finding the Fourth Proportional to 3,640,722.88, 5,024,318.25 and 1,986,960.55

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Solution

The fourth proportional to 3,640,722.88, 5,024,318.25 and 1,986,960.55 is: 2,742,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,722.88 : 5,024,318.25 = 1,986,960.55 : x
  2. Step 2: Convert to fraction form
    3,640,722.88/5,024,318.25 = 1,986,960.55/x
  3. Step 3: Cross multiply
    3,640,722.88x = 5,024,318.25 × 1,986,960.55
  4. Step 4: Simplify right side
    3,640,722.88x = 9,983,122,123,277.77
  5. Step 5: Solve for x
    x = 9,983,122,123,277.77/3,640,722.88
  6. Step 6: Final answer
    x = 2,742,071.41

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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.