Home / 3,819,290.76-5,270,685.48-2,187,840.78

Finding the Fourth Proportional to 3,819,290.76, 5,270,685.48 and 2,187,840.78

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Solution

The fourth proportional to 3,819,290.76, 5,270,685.48 and 2,187,840.78 is: 3,019,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,290.76 : 5,270,685.48 = 2,187,840.78 : x
  2. Step 2: Convert to fraction form
    3,819,290.76/5,270,685.48 = 2,187,840.78/x
  3. Step 3: Cross multiply
    3,819,290.76x = 5,270,685.48 × 2,187,840.78
  4. Step 4: Simplify right side
    3,819,290.76x = 11,531,420,631,697.88
  5. Step 5: Solve for x
    x = 11,531,420,631,697.88/3,819,290.76
  6. Step 6: Final answer
    x = 3,019,257.07

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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.