Home / 2,074,120.20-3,111,180.30-654,319.80

Finding the Fourth Proportional to 2,074,120.20, 3,111,180.30 and 654,319.80

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Solution

The fourth proportional to 2,074,120.20, 3,111,180.30 and 654,319.80 is: 981,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,120.20 : 3,111,180.30 = 654,319.80 : x
  2. Step 2: Convert to fraction form
    2,074,120.20/3,111,180.30 = 654,319.80/x
  3. Step 3: Cross multiply
    2,074,120.20x = 3,111,180.30 × 654,319.80
  4. Step 4: Simplify right side
    2,074,120.20x = 2,035,706,871,659.94
  5. Step 5: Solve for x
    x = 2,035,706,871,659.94/2,074,120.20
  6. Step 6: Final answer
    x = 981,479.70

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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.