Home / 2,015,230.51-2,780,892.07-1,109,812.51

Finding the Fourth Proportional to 2,015,230.51, 2,780,892.07 and 1,109,812.51

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Solution

The fourth proportional to 2,015,230.51, 2,780,892.07 and 1,109,812.51 is: 1,531,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,230.51 : 2,780,892.07 = 1,109,812.51 : x
  2. Step 2: Convert to fraction form
    2,015,230.51/2,780,892.07 = 1,109,812.51/x
  3. Step 3: Cross multiply
    2,015,230.51x = 2,780,892.07 × 1,109,812.51
  4. Step 4: Simplify right side
    2,015,230.51x = 3,086,268,808,245.80
  5. Step 5: Solve for x
    x = 3,086,268,808,245.80/2,015,230.51
  6. Step 6: Final answer
    x = 1,531,471.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.