Home / 2,987,981.80-4,481,289.18-858,049

Finding the Fourth Proportional to 2,987,981.80, 4,481,289.18 and 858,049

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Solution

The fourth proportional to 2,987,981.80, 4,481,289.18 and 858,049 is: 1,286,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,981.80 : 4,481,289.18 = 858,049 : x
  2. Step 2: Convert to fraction form
    2,987,981.80/4,481,289.18 = 858,049/x
  3. Step 3: Cross multiply
    2,987,981.80x = 4,481,289.18 × 858,049
  4. Step 4: Simplify right side
    2,987,981.80x = 3,845,165,699,609.82
  5. Step 5: Solve for x
    x = 3,845,165,699,609.82/2,987,981.80
  6. Step 6: Final answer
    x = 1,286,877.22

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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.