Home / 2,718,010.80-4,079,640.60-1,655,128.80

Finding the Fourth Proportional to 2,718,010.80, 4,079,640.60 and 1,655,128.80

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Solution

The fourth proportional to 2,718,010.80, 4,079,640.60 and 1,655,128.80 is: 2,484,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,010.80 : 4,079,640.60 = 1,655,128.80 : x
  2. Step 2: Convert to fraction form
    2,718,010.80/4,079,640.60 = 1,655,128.80/x
  3. Step 3: Cross multiply
    2,718,010.80x = 4,079,640.60 × 1,655,128.80
  4. Step 4: Simplify right side
    2,718,010.80x = 6,752,330,650,709.28
  5. Step 5: Solve for x
    x = 6,752,330,650,709.28/2,718,010.80
  6. Step 6: Final answer
    x = 2,484,291.32

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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.