Home / 2,545,570.62-3,512,900.31-1,399,724.70

Finding the Fourth Proportional to 2,545,570.62, 3,512,900.31 and 1,399,724.70

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Solution

The fourth proportional to 2,545,570.62, 3,512,900.31 and 1,399,724.70 is: 1,931,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,570.62 : 3,512,900.31 = 1,399,724.70 : x
  2. Step 2: Convert to fraction form
    2,545,570.62/3,512,900.31 = 1,399,724.70/x
  3. Step 3: Cross multiply
    2,545,570.62x = 3,512,900.31 × 1,399,724.70
  4. Step 4: Simplify right side
    2,545,570.62x = 4,917,093,332,544.66
  5. Step 5: Solve for x
    x = 4,917,093,332,544.66/2,545,570.62
  6. Step 6: Final answer
    x = 1,931,627.15

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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.