Home / 1,987,934.58-2,743,277.72-1,214,858.79

Finding the Fourth Proportional to 1,987,934.58, 2,743,277.72 and 1,214,858.79

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Solution

The fourth proportional to 1,987,934.58, 2,743,277.72 and 1,214,858.79 is: 1,676,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,934.58 : 2,743,277.72 = 1,214,858.79 : x
  2. Step 2: Convert to fraction form
    1,987,934.58/2,743,277.72 = 1,214,858.79/x
  3. Step 3: Cross multiply
    1,987,934.58x = 2,743,277.72 × 1,214,858.79
  4. Step 4: Simplify right side
    1,987,934.58x = 3,332,695,051,553.16
  5. Step 5: Solve for x
    x = 3,332,695,051,553.16/1,987,934.58
  6. Step 6: Final answer
    x = 1,676,461.13

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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.