Home / 3,120,650.20-4,681,339.80-990,949.60

Finding the Fourth Proportional to 3,120,650.20, 4,681,339.80 and 990,949.60

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Solution

The fourth proportional to 3,120,650.20, 4,681,339.80 and 990,949.60 is: 1,486,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,650.20 : 4,681,339.80 = 990,949.60 : x
  2. Step 2: Convert to fraction form
    3,120,650.20/4,681,339.80 = 990,949.60/x
  3. Step 3: Cross multiply
    3,120,650.20x = 4,681,339.80 × 990,949.60
  4. Step 4: Simplify right side
    3,120,650.20x = 4,638,971,802,274.08
  5. Step 5: Solve for x
    x = 4,638,971,802,274.08/3,120,650.20
  6. Step 6: Final answer
    x = 1,486,540.15

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Similar ratio
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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.