Home / 3,186,738.82-4,397,642.73-1,736,446.78

Finding the Fourth Proportional to 3,186,738.82, 4,397,642.73 and 1,736,446.78

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Solution

The fourth proportional to 3,186,738.82, 4,397,642.73 and 1,736,446.78 is: 2,396,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,738.82 : 4,397,642.73 = 1,736,446.78 : x
  2. Step 2: Convert to fraction form
    3,186,738.82/4,397,642.73 = 1,736,446.78/x
  3. Step 3: Cross multiply
    3,186,738.82x = 4,397,642.73 × 1,736,446.78
  4. Step 4: Simplify right side
    3,186,738.82x = 7,636,272,558,098.91
  5. Step 5: Solve for x
    x = 7,636,272,558,098.91/3,186,738.82
  6. Step 6: Final answer
    x = 2,396,265.58

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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.