Home / 2,015,229.51-2,780,890.70-1,109,811.51

Finding the Fourth Proportional to 2,015,229.51, 2,780,890.70 and 1,109,811.51

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Solution

The fourth proportional to 2,015,229.51, 2,780,890.70 and 1,109,811.51 is: 1,531,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,229.51 : 2,780,890.70 = 1,109,811.51 : x
  2. Step 2: Convert to fraction form
    2,015,229.51/2,780,890.70 = 1,109,811.51/x
  3. Step 3: Cross multiply
    2,015,229.51x = 2,780,890.70 × 1,109,811.51
  4. Step 4: Simplify right side
    2,015,229.51x = 3,086,264,501,362.90
  5. Step 5: Solve for x
    x = 3,086,264,501,362.90/2,015,229.51
  6. Step 6: Final answer
    x = 1,531,470.48

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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.