Home / 3,412,865.15-5,119,316.79-1,138,383.28

Finding the Fourth Proportional to 3,412,865.15, 5,119,316.79 and 1,138,383.28

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Solution

The fourth proportional to 3,412,865.15, 5,119,316.79 and 1,138,383.28 is: 1,707,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,865.15 : 5,119,316.79 = 1,138,383.28 : x
  2. Step 2: Convert to fraction form
    3,412,865.15/5,119,316.79 = 1,138,383.28/x
  3. Step 3: Cross multiply
    3,412,865.15x = 5,119,316.79 × 1,138,383.28
  4. Step 4: Simplify right side
    3,412,865.15x = 5,827,744,612,093.32
  5. Step 5: Solve for x
    x = 5,827,744,612,093.32/3,412,865.15
  6. Step 6: Final answer
    x = 1,707,581.27

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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.