Home / 3,103,401.78-4,282,627.20-1,796,708.88

Finding the Fourth Proportional to 3,103,401.78, 4,282,627.20 and 1,796,708.88

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Solution

The fourth proportional to 3,103,401.78, 4,282,627.20 and 1,796,708.88 is: 2,479,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,401.78 : 4,282,627.20 = 1,796,708.88 : x
  2. Step 2: Convert to fraction form
    3,103,401.78/4,282,627.20 = 1,796,708.88/x
  3. Step 3: Cross multiply
    3,103,401.78x = 4,282,627.20 × 1,796,708.88
  4. Step 4: Simplify right side
    3,103,401.78x = 7,694,634,319,969.54
  5. Step 5: Solve for x
    x = 7,694,634,319,969.54/3,103,401.78
  6. Step 6: Final answer
    x = 2,479,419.32

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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.