Home / 2,078,409.60-3,118,651.20-1,180,540.80

Finding the Fourth Proportional to 2,078,409.60, 3,118,651.20 and 1,180,540.80

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Solution

The fourth proportional to 2,078,409.60, 3,118,651.20 and 1,180,540.80 is: 1,771,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,409.60 : 3,118,651.20 = 1,180,540.80 : x
  2. Step 2: Convert to fraction form
    2,078,409.60/3,118,651.20 = 1,180,540.80/x
  3. Step 3: Cross multiply
    2,078,409.60x = 3,118,651.20 × 1,180,540.80
  4. Step 4: Simplify right side
    2,078,409.60x = 3,681,694,982,568.96
  5. Step 5: Solve for x
    x = 3,681,694,982,568.96/2,078,409.60
  6. Step 6: Final answer
    x = 1,771,400.10

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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.