Home / 2,715,930.80-4,069,230.60-1,292,922.80

Finding the Fourth Proportional to 2,715,930.80, 4,069,230.60 and 1,292,922.80

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Solution

The fourth proportional to 2,715,930.80, 4,069,230.60 and 1,292,922.80 is: 1,937,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,930.80 : 4,069,230.60 = 1,292,922.80 : x
  2. Step 2: Convert to fraction form
    2,715,930.80/4,069,230.60 = 1,292,922.80/x
  3. Step 3: Cross multiply
    2,715,930.80x = 4,069,230.60 × 1,292,922.80
  4. Step 4: Simplify right side
    2,715,930.80x = 5,261,201,021,197.68
  5. Step 5: Solve for x
    x = 5,261,201,021,197.68/2,715,930.80
  6. Step 6: Final answer
    x = 1,937,163.13

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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.