Home / 4,992,987.22-6,890,255.13-2,787,884.26

Finding the Fourth Proportional to 4,992,987.22, 6,890,255.13 and 2,787,884.26

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Solution

The fourth proportional to 4,992,987.22, 6,890,255.13 and 2,787,884.26 is: 3,847,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,987.22 : 6,890,255.13 = 2,787,884.26 : x
  2. Step 2: Convert to fraction form
    4,992,987.22/6,890,255.13 = 2,787,884.26/x
  3. Step 3: Cross multiply
    4,992,987.22x = 6,890,255.13 × 2,787,884.26
  4. Step 4: Simplify right side
    4,992,987.22x = 19,209,233,824,311.25
  5. Step 5: Solve for x
    x = 19,209,233,824,311.25/4,992,987.22
  6. Step 6: Final answer
    x = 3,847,242.74

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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.