Home / 3,480,264-4,802,765.76-2,122,418.88

Finding the Fourth Proportional to 3,480,264, 4,802,765.76 and 2,122,418.88

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Solution

The fourth proportional to 3,480,264, 4,802,765.76 and 2,122,418.88 is: 2,928,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,264 : 4,802,765.76 = 2,122,418.88 : x
  2. Step 2: Convert to fraction form
    3,480,264/4,802,765.76 = 2,122,418.88/x
  3. Step 3: Cross multiply
    3,480,264x = 4,802,765.76 × 2,122,418.88
  4. Step 4: Simplify right side
    3,480,264x = 10,193,480,725,241.55
  5. Step 5: Solve for x
    x = 10,193,480,725,241.55/3,480,264
  6. Step 6: Final answer
    x = 2,928,938.93

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1.5x scale

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.