Home / 3,819,143.06-5,270,556-2,187,865.70

Finding the Fourth Proportional to 3,819,143.06, 5,270,556 and 2,187,865.70

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Solution

The fourth proportional to 3,819,143.06, 5,270,556 and 2,187,865.70 is: 3,019,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,143.06 : 5,270,556 = 2,187,865.70 : x
  2. Step 2: Convert to fraction form
    3,819,143.06/5,270,556 = 2,187,865.70/x
  3. Step 3: Cross multiply
    3,819,143.06x = 5,270,556 × 2,187,865.70
  4. Step 4: Simplify right side
    3,819,143.06x = 11,531,268,692,329.20
  5. Step 5: Solve for x
    x = 11,531,268,692,329.20/3,819,143.06
  6. Step 6: Final answer
    x = 3,019,334.05

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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.