Home / 4,247,959.20-6,361,441.20-2,820,285.60

Finding the Fourth Proportional to 4,247,959.20, 6,361,441.20 and 2,820,285.60

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Solution

The fourth proportional to 4,247,959.20, 6,361,441.20 and 2,820,285.60 is: 4,223,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,959.20 : 6,361,441.20 = 2,820,285.60 : x
  2. Step 2: Convert to fraction form
    4,247,959.20/6,361,441.20 = 2,820,285.60/x
  3. Step 3: Cross multiply
    4,247,959.20x = 6,361,441.20 × 2,820,285.60
  4. Step 4: Simplify right side
    4,247,959.20x = 17,941,081,011,606.72
  5. Step 5: Solve for x
    x = 17,941,081,011,606.72/4,247,959.20
  6. Step 6: Final answer
    x = 4,223,458.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.