Home / 2,040,659.40-3,060,989.10-1,820,209.80

Finding the Fourth Proportional to 2,040,659.40, 3,060,989.10 and 1,820,209.80

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Solution

The fourth proportional to 2,040,659.40, 3,060,989.10 and 1,820,209.80 is: 2,730,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,659.40 : 3,060,989.10 = 1,820,209.80 : x
  2. Step 2: Convert to fraction form
    2,040,659.40/3,060,989.10 = 1,820,209.80/x
  3. Step 3: Cross multiply
    2,040,659.40x = 3,060,989.10 × 1,820,209.80
  4. Step 4: Simplify right side
    2,040,659.40x = 5,571,642,357,513.18
  5. Step 5: Solve for x
    x = 5,571,642,357,513.18/2,040,659.40
  6. Step 6: Final answer
    x = 2,730,314.70

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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.