Home / 2,177,948.44-3,005,126.22-1,272,355.48

Finding the Fourth Proportional to 2,177,948.44, 3,005,126.22 and 1,272,355.48

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Solution

The fourth proportional to 2,177,948.44, 3,005,126.22 and 1,272,355.48 is: 1,755,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,948.44 : 3,005,126.22 = 1,272,355.48 : x
  2. Step 2: Convert to fraction form
    2,177,948.44/3,005,126.22 = 1,272,355.48/x
  3. Step 3: Cross multiply
    2,177,948.44x = 3,005,126.22 × 1,272,355.48
  4. Step 4: Simplify right side
    2,177,948.44x = 3,823,588,814,108.69
  5. Step 5: Solve for x
    x = 3,823,588,814,108.69/2,177,948.44
  6. Step 6: Final answer
    x = 1,755,591.98

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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.