Home / 2,010,178.80-3,015,268.20-1,912,201.20

Finding the Fourth Proportional to 2,010,178.80, 3,015,268.20 and 1,912,201.20

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Solution

The fourth proportional to 2,010,178.80, 3,015,268.20 and 1,912,201.20 is: 2,868,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,178.80 : 3,015,268.20 = 1,912,201.20 : x
  2. Step 2: Convert to fraction form
    2,010,178.80/3,015,268.20 = 1,912,201.20/x
  3. Step 3: Cross multiply
    2,010,178.80x = 3,015,268.20 × 1,912,201.20
  4. Step 4: Simplify right side
    2,010,178.80x = 5,765,799,470,361.84
  5. Step 5: Solve for x
    x = 5,765,799,470,361.84/2,010,178.80
  6. Step 6: Final answer
    x = 2,868,301.80

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1.5x scale

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.