Home / 3,988,538.72-5,504,108.20-2,439,686.44

Finding the Fourth Proportional to 3,988,538.72, 5,504,108.20 and 2,439,686.44

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Solution

The fourth proportional to 3,988,538.72, 5,504,108.20 and 2,439,686.44 is: 3,366,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,538.72 : 5,504,108.20 = 2,439,686.44 : x
  2. Step 2: Convert to fraction form
    3,988,538.72/5,504,108.20 = 2,439,686.44/x
  3. Step 3: Cross multiply
    3,988,538.72x = 5,504,108.20 × 2,439,686.44
  4. Step 4: Simplify right side
    3,988,538.72x = 13,428,298,139,832.81
  5. Step 5: Solve for x
    x = 13,428,298,139,832.81/3,988,538.72
  6. Step 6: Final answer
    x = 3,366,721.27

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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.