Home / 2,005,667.28-3,005,672.40-1,107,513.36

Finding the Fourth Proportional to 2,005,667.28, 3,005,672.40 and 1,107,513.36

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Solution

The fourth proportional to 2,005,667.28, 3,005,672.40 and 1,107,513.36 is: 1,659,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,667.28 : 3,005,672.40 = 1,107,513.36 : x
  2. Step 2: Convert to fraction form
    2,005,667.28/3,005,672.40 = 1,107,513.36/x
  3. Step 3: Cross multiply
    2,005,667.28x = 3,005,672.40 × 1,107,513.36
  4. Step 4: Simplify right side
    2,005,667.28x = 3,328,822,338,783.26
  5. Step 5: Solve for x
    x = 3,328,822,338,783.26/2,005,667.28
  6. Step 6: Final answer
    x = 1,659,708.15

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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.