Home / 4,080,643.20-6,120,964.80-1,240,750.80

Finding the Fourth Proportional to 4,080,643.20, 6,120,964.80 and 1,240,750.80

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Solution

The fourth proportional to 4,080,643.20, 6,120,964.80 and 1,240,750.80 is: 1,861,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,643.20 : 6,120,964.80 = 1,240,750.80 : x
  2. Step 2: Convert to fraction form
    4,080,643.20/6,120,964.80 = 1,240,750.80/x
  3. Step 3: Cross multiply
    4,080,643.20x = 6,120,964.80 × 1,240,750.80
  4. Step 4: Simplify right side
    4,080,643.20x = 7,594,591,972,371.84
  5. Step 5: Solve for x
    x = 7,594,591,972,371.84/4,080,643.20
  6. Step 6: Final answer
    x = 1,861,126.20

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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.