Home / 2,015,585.80-3,023,378.70-1,917,608.20

Finding the Fourth Proportional to 2,015,585.80, 3,023,378.70 and 1,917,608.20

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Solution

The fourth proportional to 2,015,585.80, 3,023,378.70 and 1,917,608.20 is: 2,876,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,585.80 : 3,023,378.70 = 1,917,608.20 : x
  2. Step 2: Convert to fraction form
    2,015,585.80/3,023,378.70 = 1,917,608.20/x
  3. Step 3: Cross multiply
    2,015,585.80x = 3,023,378.70 × 1,917,608.20
  4. Step 4: Simplify right side
    2,015,585.80x = 5,797,655,786,825.34
  5. Step 5: Solve for x
    x = 5,797,655,786,825.34/2,015,585.80
  6. Step 6: Final answer
    x = 2,876,412.30

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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.