Home / 3,986,441.01-5,980,614.12-1,290,769.11

Finding the Fourth Proportional to 3,986,441.01, 5,980,614.12 and 1,290,769.11

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Solution

The fourth proportional to 3,986,441.01, 5,980,614.12 and 1,290,769.11 is: 1,936,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,441.01 : 5,980,614.12 = 1,290,769.11 : x
  2. Step 2: Convert to fraction form
    3,986,441.01/5,980,614.12 = 1,290,769.11/x
  3. Step 3: Cross multiply
    3,986,441.01x = 5,980,614.12 × 1,290,769.11
  4. Step 4: Simplify right side
    3,986,441.01x = 7,719,591,964,925.83
  5. Step 5: Solve for x
    x = 7,719,591,964,925.83/3,986,441.01
  6. Step 6: Final answer
    x = 1,936,462.11

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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.