Home / 1,721,512.80-2,579,158.80-1,472,680.80

Finding the Fourth Proportional to 1,721,512.80, 2,579,158.80 and 1,472,680.80

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Solution

The fourth proportional to 1,721,512.80, 2,579,158.80 and 1,472,680.80 is: 2,206,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,512.80 : 2,579,158.80 = 1,472,680.80 : x
  2. Step 2: Convert to fraction form
    1,721,512.80/2,579,158.80 = 1,472,680.80/x
  3. Step 3: Cross multiply
    1,721,512.80x = 2,579,158.80 × 1,472,680.80
  4. Step 4: Simplify right side
    1,721,512.80x = 3,798,277,644,911.04
  5. Step 5: Solve for x
    x = 3,798,277,644,911.04/1,721,512.80
  6. Step 6: Final answer
    x = 2,206,360.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.