Home / 3,168,642.88-4,372,728.30-1,718,337.88

Finding the Fourth Proportional to 3,168,642.88, 4,372,728.30 and 1,718,337.88

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Solution

The fourth proportional to 3,168,642.88, 4,372,728.30 and 1,718,337.88 is: 2,371,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,642.88 : 4,372,728.30 = 1,718,337.88 : x
  2. Step 2: Convert to fraction form
    3,168,642.88/4,372,728.30 = 1,718,337.88/x
  3. Step 3: Cross multiply
    3,168,642.88x = 4,372,728.30 × 1,718,337.88
  4. Step 4: Simplify right side
    3,168,642.88x = 7,513,824,676,838.00
  5. Step 5: Solve for x
    x = 7,513,824,676,838.00/3,168,642.88
  6. Step 6: Final answer
    x = 2,371,306.88

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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.