Home / 3,971,399.22-5,480,554.77-2,160,576.18

Finding the Fourth Proportional to 3,971,399.22, 5,480,554.77 and 2,160,576.18

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Solution

The fourth proportional to 3,971,399.22, 5,480,554.77 and 2,160,576.18 is: 2,981,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,399.22 : 5,480,554.77 = 2,160,576.18 : x
  2. Step 2: Convert to fraction form
    3,971,399.22/5,480,554.77 = 2,160,576.18/x
  3. Step 3: Cross multiply
    3,971,399.22x = 5,480,554.77 × 2,160,576.18
  4. Step 4: Simplify right side
    3,971,399.22x = 11,841,156,089,247.38
  5. Step 5: Solve for x
    x = 11,841,156,089,247.38/3,971,399.22
  6. Step 6: Final answer
    x = 2,981,608.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.