Home / 2,987,119.80-4,480,679.70-992,575.80

Finding the Fourth Proportional to 2,987,119.80, 4,480,679.70 and 992,575.80

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Solution

The fourth proportional to 2,987,119.80, 4,480,679.70 and 992,575.80 is: 1,488,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,119.80 : 4,480,679.70 = 992,575.80 : x
  2. Step 2: Convert to fraction form
    2,987,119.80/4,480,679.70 = 992,575.80/x
  3. Step 3: Cross multiply
    2,987,119.80x = 4,480,679.70 × 992,575.80
  4. Step 4: Simplify right side
    2,987,119.80x = 4,447,414,237,771.26
  5. Step 5: Solve for x
    x = 4,447,414,237,771.26/2,987,119.80
  6. Step 6: Final answer
    x = 1,488,863.70

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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.