Home / 2,012,087.80-3,018,131.70-664,458.40

Finding the Fourth Proportional to 2,012,087.80, 3,018,131.70 and 664,458.40

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Solution

The fourth proportional to 2,012,087.80, 3,018,131.70 and 664,458.40 is: 996,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,087.80 : 3,018,131.70 = 664,458.40 : x
  2. Step 2: Convert to fraction form
    2,012,087.80/3,018,131.70 = 664,458.40/x
  3. Step 3: Cross multiply
    2,012,087.80x = 3,018,131.70 × 664,458.40
  4. Step 4: Simplify right side
    2,012,087.80x = 2,005,422,960,371.28
  5. Step 5: Solve for x
    x = 2,005,422,960,371.28/2,012,087.80
  6. Step 6: Final answer
    x = 996,687.60

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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.