Home / 2,010,523.20-3,015,930.60-1,210,081.20

Finding the Fourth Proportional to 2,010,523.20, 3,015,930.60 and 1,210,081.20

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Solution

The fourth proportional to 2,010,523.20, 3,015,930.60 and 1,210,081.20 is: 1,815,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,523.20 : 3,015,930.60 = 1,210,081.20 : x
  2. Step 2: Convert to fraction form
    2,010,523.20/3,015,930.60 = 1,210,081.20/x
  3. Step 3: Cross multiply
    2,010,523.20x = 3,015,930.60 × 1,210,081.20
  4. Step 4: Simplify right side
    2,010,523.20x = 3,649,520,919,564.72
  5. Step 5: Solve for x
    x = 3,649,520,919,564.72/2,010,523.20
  6. Step 6: Final answer
    x = 1,815,209.55

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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.