Home / 3,965,726.25-5,472,735.03-2,154,890.25

Finding the Fourth Proportional to 3,965,726.25, 5,472,735.03 and 2,154,890.25

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Solution

The fourth proportional to 3,965,726.25, 5,472,735.03 and 2,154,890.25 is: 2,973,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,726.25 : 5,472,735.03 = 2,154,890.25 : x
  2. Step 2: Convert to fraction form
    3,965,726.25/5,472,735.03 = 2,154,890.25/x
  3. Step 3: Cross multiply
    3,965,726.25x = 5,472,735.03 × 2,154,890.25
  4. Step 4: Simplify right side
    3,965,726.25x = 11,793,143,356,980.46
  5. Step 5: Solve for x
    x = 11,793,143,356,980.46/3,965,726.25
  6. Step 6: Final answer
    x = 2,973,766.37

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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.