Home / 2,374,155-3,276,336.78-1,286,425.73

Finding the Fourth Proportional to 2,374,155, 3,276,336.78 and 1,286,425.73

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Solution

The fourth proportional to 2,374,155, 3,276,336.78 and 1,286,425.73 is: 1,775,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374,155 : 3,276,336.78 = 1,286,425.73 : x
  2. Step 2: Convert to fraction form
    2,374,155/3,276,336.78 = 1,286,425.73/x
  3. Step 3: Cross multiply
    2,374,155x = 3,276,336.78 × 1,286,425.73
  4. Step 4: Simplify right side
    2,374,155x = 4,214,763,942,128.19
  5. Step 5: Solve for x
    x = 4,214,763,942,128.19/2,374,155
  6. Step 6: Final answer
    x = 1,775,269.07

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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.