Home / 2,012,652.80-3,018,177.30-664,440.20

Finding the Fourth Proportional to 2,012,652.80, 3,018,177.30 and 664,440.20

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Solution

The fourth proportional to 2,012,652.80, 3,018,177.30 and 664,440.20 is: 996,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,652.80 : 3,018,177.30 = 664,440.20 : x
  2. Step 2: Convert to fraction form
    2,012,652.80/3,018,177.30 = 664,440.20/x
  3. Step 3: Cross multiply
    2,012,652.80x = 3,018,177.30 × 664,440.20
  4. Step 4: Simplify right side
    2,012,652.80x = 2,005,398,328,847.46
  5. Step 5: Solve for x
    x = 2,005,398,328,847.46/2,012,652.80
  6. Step 6: Final answer
    x = 996,395.57

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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.