Home / 2,288,021.76-3,157,461.24-1,255,546.80

Finding the Fourth Proportional to 2,288,021.76, 3,157,461.24 and 1,255,546.80

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Solution

The fourth proportional to 2,288,021.76, 3,157,461.24 and 1,255,546.80 is: 1,732,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,021.76 : 3,157,461.24 = 1,255,546.80 : x
  2. Step 2: Convert to fraction form
    2,288,021.76/3,157,461.24 = 1,255,546.80/x
  3. Step 3: Cross multiply
    2,288,021.76x = 3,157,461.24 × 1,255,546.80
  4. Step 4: Simplify right side
    2,288,021.76x = 3,964,340,356,006.03
  5. Step 5: Solve for x
    x = 3,964,340,356,006.03/2,288,021.76
  6. Step 6: Final answer
    x = 1,732,649.76

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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.