Home / 2,132,770.65-2,942,894.28-1,214,883.17

Finding the Fourth Proportional to 2,132,770.65, 2,942,894.28 and 1,214,883.17

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Solution

The fourth proportional to 2,132,770.65, 2,942,894.28 and 1,214,883.17 is: 1,676,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,770.65 : 2,942,894.28 = 1,214,883.17 : x
  2. Step 2: Convert to fraction form
    2,132,770.65/2,942,894.28 = 1,214,883.17/x
  3. Step 3: Cross multiply
    2,132,770.65x = 2,942,894.28 × 1,214,883.17
  4. Step 4: Simplify right side
    2,132,770.65x = 3,575,272,717,146.80
  5. Step 5: Solve for x
    x = 3,575,272,717,146.80/2,132,770.65
  6. Step 6: Final answer
    x = 1,676,351.24

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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.