Home / 3,987,064.69-5,502,149.30-2,176,228.69

Finding the Fourth Proportional to 3,987,064.69, 5,502,149.30 and 2,176,228.69

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Solution

The fourth proportional to 3,987,064.69, 5,502,149.30 and 2,176,228.69 is: 3,003,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,064.69 : 5,502,149.30 = 2,176,228.69 : x
  2. Step 2: Convert to fraction form
    3,987,064.69/5,502,149.30 = 2,176,228.69/x
  3. Step 3: Cross multiply
    3,987,064.69x = 5,502,149.30 × 2,176,228.69
  4. Step 4: Simplify right side
    3,987,064.69x = 11,973,935,155,008.62
  5. Step 5: Solve for x
    x = 11,973,935,155,008.62/3,987,064.69
  6. Step 6: Final answer
    x = 3,003,195.61

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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.