Home / 2,987,112.60-4,480,085.70-992,568.60

Finding the Fourth Proportional to 2,987,112.60, 4,480,085.70 and 992,568.60

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Solution

The fourth proportional to 2,987,112.60, 4,480,085.70 and 992,568.60 is: 1,488,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,112.60 : 4,480,085.70 = 992,568.60 : x
  2. Step 2: Convert to fraction form
    2,987,112.60/4,480,085.70 = 992,568.60/x
  3. Step 3: Cross multiply
    2,987,112.60x = 4,480,085.70 × 992,568.60
  4. Step 4: Simplify right side
    2,987,112.60x = 4,446,792,391,129.02
  5. Step 5: Solve for x
    x = 4,446,792,391,129.02/2,987,112.60
  6. Step 6: Final answer
    x = 1,488,659.11

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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.