Home / 4,087,999.70-6,131,999.55-1,247,742.80

Finding the Fourth Proportional to 4,087,999.70, 6,131,999.55 and 1,247,742.80

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Solution

The fourth proportional to 4,087,999.70, 6,131,999.55 and 1,247,742.80 is: 1,871,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,999.70 : 6,131,999.55 = 1,247,742.80 : x
  2. Step 2: Convert to fraction form
    4,087,999.70/6,131,999.55 = 1,247,742.80/x
  3. Step 3: Cross multiply
    4,087,999.70x = 6,131,999.55 × 1,247,742.80
  4. Step 4: Simplify right side
    4,087,999.70x = 7,651,158,288,115.74
  5. Step 5: Solve for x
    x = 7,651,158,288,115.74/4,087,999.70
  6. Step 6: Final answer
    x = 1,871,614.20

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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.