Home / 2,687,299.93-4,031,518.52-890,081.65

Finding the Fourth Proportional to 2,687,299.93, 4,031,518.52 and 890,081.65

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Solution

The fourth proportional to 2,687,299.93, 4,031,518.52 and 890,081.65 is: 1,335,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,299.93 : 4,031,518.52 = 890,081.65 : x
  2. Step 2: Convert to fraction form
    2,687,299.93/4,031,518.52 = 890,081.65/x
  3. Step 3: Cross multiply
    2,687,299.93x = 4,031,518.52 × 890,081.65
  4. Step 4: Simplify right side
    2,687,299.93x = 3,588,380,651,836.75
  5. Step 5: Solve for x
    x = 3,588,380,651,836.75/2,687,299.93
  6. Step 6: Final answer
    x = 1,335,310.81

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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.