Home / 2,188,915.08-3,020,981.46-1,270,961.48

Finding the Fourth Proportional to 2,188,915.08, 3,020,981.46 and 1,270,961.48

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Solution

The fourth proportional to 2,188,915.08, 3,020,981.46 and 1,270,961.48 is: 1,754,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,915.08 : 3,020,981.46 = 1,270,961.48 : x
  2. Step 2: Convert to fraction form
    2,188,915.08/3,020,981.46 = 1,270,961.48/x
  3. Step 3: Cross multiply
    2,188,915.08x = 3,020,981.46 × 1,270,961.48
  4. Step 4: Simplify right side
    2,188,915.08x = 3,839,551,067,454.16
  5. Step 5: Solve for x
    x = 3,839,551,067,454.16/2,188,915.08
  6. Step 6: Final answer
    x = 1,754,088.64

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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.