Home / 3,420,616.56-4,720,129.38-2,315,800.58

Finding the Fourth Proportional to 3,420,616.56, 4,720,129.38 and 2,315,800.58

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Solution

The fourth proportional to 3,420,616.56, 4,720,129.38 and 2,315,800.58 is: 3,195,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,616.56 : 4,720,129.38 = 2,315,800.58 : x
  2. Step 2: Convert to fraction form
    3,420,616.56/4,720,129.38 = 2,315,800.58/x
  3. Step 3: Cross multiply
    3,420,616.56x = 4,720,129.38 × 2,315,800.58
  4. Step 4: Simplify right side
    3,420,616.56x = 10,930,878,332,278.39
  5. Step 5: Solve for x
    x = 10,930,878,332,278.39/3,420,616.56
  6. Step 6: Final answer
    x = 3,195,587.15

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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.