Home / 1,815,074.80-2,722,612.20-1,619,119.60

Finding the Fourth Proportional to 1,815,074.80, 2,722,612.20 and 1,619,119.60

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Solution

The fourth proportional to 1,815,074.80, 2,722,612.20 and 1,619,119.60 is: 2,428,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,074.80 : 2,722,612.20 = 1,619,119.60 : x
  2. Step 2: Convert to fraction form
    1,815,074.80/2,722,612.20 = 1,619,119.60/x
  3. Step 3: Cross multiply
    1,815,074.80x = 2,722,612.20 × 1,619,119.60
  4. Step 4: Simplify right side
    1,815,074.80x = 4,408,234,776,219.12
  5. Step 5: Solve for x
    x = 4,408,234,776,219.12/1,815,074.80
  6. Step 6: Final answer
    x = 2,428,679.40

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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.