Home / 2,777,171.90-3,830,821.39-1,834,193.20

Finding the Fourth Proportional to 2,777,171.90, 3,830,821.39 and 1,834,193.20

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Solution

The fourth proportional to 2,777,171.90, 3,830,821.39 and 1,834,193.20 is: 2,530,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,171.90 : 3,830,821.39 = 1,834,193.20 : x
  2. Step 2: Convert to fraction form
    2,777,171.90/3,830,821.39 = 1,834,193.20/x
  3. Step 3: Cross multiply
    2,777,171.90x = 3,830,821.39 × 1,834,193.20
  4. Step 4: Simplify right side
    2,777,171.90x = 7,026,466,524,798.44
  5. Step 5: Solve for x
    x = 7,026,466,524,798.44/2,777,171.90
  6. Step 6: Final answer
    x = 2,530,079.80

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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.