Home / 2,808,771.12-3,878,781.13-2,655,751.29

Finding the Fourth Proportional to 2,808,771.12, 3,878,781.13 and 2,655,751.29

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Solution

The fourth proportional to 2,808,771.12, 3,878,781.13 and 2,655,751.29 is: 3,667,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,771.12 : 3,878,781.13 = 2,655,751.29 : x
  2. Step 2: Convert to fraction form
    2,808,771.12/3,878,781.13 = 2,655,751.29/x
  3. Step 3: Cross multiply
    2,808,771.12x = 3,878,781.13 × 2,655,751.29
  4. Step 4: Simplify right side
    2,808,771.12x = 10,301,077,978,399.42
  5. Step 5: Solve for x
    x = 10,301,077,978,399.42/2,808,771.12
  6. Step 6: Final answer
    x = 3,667,467.92

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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.