Home / 2,015,522.43-2,781,736.85-1,188,686.87

Finding the Fourth Proportional to 2,015,522.43, 2,781,736.85 and 1,188,686.87

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Solution

The fourth proportional to 2,015,522.43, 2,781,736.85 and 1,188,686.87 is: 1,640,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,522.43 : 2,781,736.85 = 1,188,686.87 : x
  2. Step 2: Convert to fraction form
    2,015,522.43/2,781,736.85 = 1,188,686.87/x
  3. Step 3: Cross multiply
    2,015,522.43x = 2,781,736.85 × 1,188,686.87
  4. Step 4: Simplify right side
    2,015,522.43x = 3,306,614,049,538.04
  5. Step 5: Solve for x
    x = 3,306,614,049,538.04/2,015,522.43
  6. Step 6: Final answer
    x = 1,640,574.18

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1.5x scale

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.