Home / 2,777,350.80-4,166,026.20-782,806.80

Finding the Fourth Proportional to 2,777,350.80, 4,166,026.20 and 782,806.80

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Solution

The fourth proportional to 2,777,350.80, 4,166,026.20 and 782,806.80 is: 1,174,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,350.80 : 4,166,026.20 = 782,806.80 : x
  2. Step 2: Convert to fraction form
    2,777,350.80/4,166,026.20 = 782,806.80/x
  3. Step 3: Cross multiply
    2,777,350.80x = 4,166,026.20 × 782,806.80
  4. Step 4: Simplify right side
    2,777,350.80x = 3,261,193,638,338.16
  5. Step 5: Solve for x
    x = 3,261,193,638,338.16/2,777,350.80
  6. Step 6: Final answer
    x = 1,174,210.20

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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.