Home / 2,147,104.78-2,963,010.75-1,229,348.00

Finding the Fourth Proportional to 2,147,104.78, 2,963,010.75 and 1,229,348.00

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Solution

The fourth proportional to 2,147,104.78, 2,963,010.75 and 1,229,348.00 is: 1,696,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,104.78 : 2,963,010.75 = 1,229,348.00 : x
  2. Step 2: Convert to fraction form
    2,147,104.78/2,963,010.75 = 1,229,348.00/x
  3. Step 3: Cross multiply
    2,147,104.78x = 2,963,010.75 × 1,229,348.00
  4. Step 4: Simplify right side
    2,147,104.78x = 3,642,571,351,508.58
  5. Step 5: Solve for x
    x = 3,642,571,351,508.58/2,147,104.78
  6. Step 6: Final answer
    x = 1,696,503.77

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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.