Home / 2,172,088.43-3,258,659.38-655,680.75

Finding the Fourth Proportional to 2,172,088.43, 3,258,659.38 and 655,680.75

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Solution

The fourth proportional to 2,172,088.43, 3,258,659.38 and 655,680.75 is: 983,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,088.43 : 3,258,659.38 = 655,680.75 : x
  2. Step 2: Convert to fraction form
    2,172,088.43/3,258,659.38 = 655,680.75/x
  3. Step 3: Cross multiply
    2,172,088.43x = 3,258,659.38 × 655,680.75
  4. Step 4: Simplify right side
    2,172,088.43x = 2,136,640,226,272.93
  5. Step 5: Solve for x
    x = 2,136,640,226,272.93/2,172,088.43
  6. Step 6: Final answer
    x = 983,680.13

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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.