Home / 3,100,419.39-4,278,818.42-1,860,076.20

Finding the Fourth Proportional to 3,100,419.39, 4,278,818.42 and 1,860,076.20

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Solution

The fourth proportional to 3,100,419.39, 4,278,818.42 and 1,860,076.20 is: 2,567,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,419.39 : 4,278,818.42 = 1,860,076.20 : x
  2. Step 2: Convert to fraction form
    3,100,419.39/4,278,818.42 = 1,860,076.20/x
  3. Step 3: Cross multiply
    3,100,419.39x = 4,278,818.42 × 1,860,076.20
  4. Step 4: Simplify right side
    3,100,419.39x = 7,958,928,307,163.60
  5. Step 5: Solve for x
    x = 7,958,928,307,163.60/3,100,419.39
  6. Step 6: Final answer
    x = 2,567,048.94

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1.5x scale

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.