Home / 2,010,643.20-3,016,110.60-1,210,201.20

Finding the Fourth Proportional to 2,010,643.20, 3,016,110.60 and 1,210,201.20

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Solution

The fourth proportional to 2,010,643.20, 3,016,110.60 and 1,210,201.20 is: 1,815,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,643.20 : 3,016,110.60 = 1,210,201.20 : x
  2. Step 2: Convert to fraction form
    2,010,643.20/3,016,110.60 = 1,210,201.20/x
  3. Step 3: Cross multiply
    2,010,643.20x = 3,016,110.60 × 1,210,201.20
  4. Step 4: Simplify right side
    2,010,643.20x = 3,650,100,667,452.72
  5. Step 5: Solve for x
    x = 3,650,100,667,452.72/2,010,643.20
  6. Step 6: Final answer
    x = 1,815,389.56

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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.