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Finding the Fourth Proportional to 2,651,797.40, 3,977,696.10 and 1,644,027.80

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Solution

The fourth proportional to 2,651,797.40, 3,977,696.10 and 1,644,027.80 is: 2,466,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,797.40 : 3,977,696.10 = 1,644,027.80 : x
  2. Step 2: Convert to fraction form
    2,651,797.40/3,977,696.10 = 1,644,027.80/x
  3. Step 3: Cross multiply
    2,651,797.40x = 3,977,696.10 × 1,644,027.80
  4. Step 4: Simplify right side
    2,651,797.40x = 6,539,442,968,351.58
  5. Step 5: Solve for x
    x = 6,539,442,968,351.58/2,651,797.40
  6. Step 6: Final answer
    x = 2,466,041.70

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Similar ratio
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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.