Home / 2,031,145.20-2,801,705.76-1,306,933.92

Finding the Fourth Proportional to 2,031,145.20, 2,801,705.76 and 1,306,933.92

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Solution

The fourth proportional to 2,031,145.20, 2,801,705.76 and 1,306,933.92 is: 1,802,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031,145.20 : 2,801,705.76 = 1,306,933.92 : x
  2. Step 2: Convert to fraction form
    2,031,145.20/2,801,705.76 = 1,306,933.92/x
  3. Step 3: Cross multiply
    2,031,145.20x = 2,801,705.76 × 1,306,933.92
  4. Step 4: Simplify right side
    2,031,145.20x = 3,661,644,291,603.38
  5. Step 5: Solve for x
    x = 3,661,644,291,603.38/2,031,145.20
  6. Step 6: Final answer
    x = 1,802,748.66

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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.