Home / 2,011,187.80-3,015,979.80-662,975.20

Finding the Fourth Proportional to 2,011,187.80, 3,015,979.80 and 662,975.20

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Solution

The fourth proportional to 2,011,187.80, 3,015,979.80 and 662,975.20 is: 994,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,187.80 : 3,015,979.80 = 662,975.20 : x
  2. Step 2: Convert to fraction form
    2,011,187.80/3,015,979.80 = 662,975.20/x
  3. Step 3: Cross multiply
    2,011,187.80x = 3,015,979.80 × 662,975.20
  4. Step 4: Simplify right side
    2,011,187.80x = 1,999,519,811,100.96
  5. Step 5: Solve for x
    x = 1,999,519,811,100.96/2,011,187.80
  6. Step 6: Final answer
    x = 994,198.46

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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.