Home / 3,109,249.32-4,666,532.40-1,217,319.36

Finding the Fourth Proportional to 3,109,249.32, 4,666,532.40 and 1,217,319.36

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Solution

The fourth proportional to 3,109,249.32, 4,666,532.40 and 1,217,319.36 is: 1,827,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,249.32 : 4,666,532.40 = 1,217,319.36 : x
  2. Step 2: Convert to fraction form
    3,109,249.32/4,666,532.40 = 1,217,319.36/x
  3. Step 3: Cross multiply
    3,109,249.32x = 4,666,532.40 × 1,217,319.36
  4. Step 4: Simplify right side
    3,109,249.32x = 5,680,660,234,587.27
  5. Step 5: Solve for x
    x = 5,680,660,234,587.27/3,109,249.32
  6. Step 6: Final answer
    x = 1,827,019.85

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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.