Home / 3,680,028.90-5,078,439.54-2,048,401.20

Finding the Fourth Proportional to 3,680,028.90, 5,078,439.54 and 2,048,401.20

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Solution

The fourth proportional to 3,680,028.90, 5,078,439.54 and 2,048,401.20 is: 2,826,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,028.90 : 5,078,439.54 = 2,048,401.20 : x
  2. Step 2: Convert to fraction form
    3,680,028.90/5,078,439.54 = 2,048,401.20/x
  3. Step 3: Cross multiply
    3,680,028.90x = 5,078,439.54 × 2,048,401.20
  4. Step 4: Simplify right side
    3,680,028.90x = 10,402,681,647,863.45
  5. Step 5: Solve for x
    x = 10,402,681,647,863.45/3,680,028.90
  6. Step 6: Final answer
    x = 2,826,793.47

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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.