Home / 4,087,999.20-6,131,998.80-1,247,742.30

Finding the Fourth Proportional to 4,087,999.20, 6,131,998.80 and 1,247,742.30

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Solution

The fourth proportional to 4,087,999.20, 6,131,998.80 and 1,247,742.30 is: 1,871,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,999.20 : 6,131,998.80 = 1,247,742.30 : x
  2. Step 2: Convert to fraction form
    4,087,999.20/6,131,998.80 = 1,247,742.30/x
  3. Step 3: Cross multiply
    4,087,999.20x = 6,131,998.80 × 1,247,742.30
  4. Step 4: Simplify right side
    4,087,999.20x = 7,651,154,286,309.24
  5. Step 5: Solve for x
    x = 7,651,154,286,309.24/4,087,999.20
  6. Step 6: Final answer
    x = 1,871,613.45

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Similar ratio
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1.5x scale

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.