Home / 3,115,234.13-4,299,079.08-1,827,003.65

Finding the Fourth Proportional to 3,115,234.13, 4,299,079.08 and 1,827,003.65

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Solution

The fourth proportional to 3,115,234.13, 4,299,079.08 and 1,827,003.65 is: 2,521,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,234.13 : 4,299,079.08 = 1,827,003.65 : x
  2. Step 2: Convert to fraction form
    3,115,234.13/4,299,079.08 = 1,827,003.65/x
  3. Step 3: Cross multiply
    3,115,234.13x = 4,299,079.08 × 1,827,003.65
  4. Step 4: Simplify right side
    3,115,234.13x = 7,854,433,149,303.25
  5. Step 5: Solve for x
    x = 7,854,433,149,303.25/3,115,234.13
  6. Step 6: Final answer
    x = 2,521,297.87

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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.