Home / 2,486,928.78-3,431,961.84-1,413,840.78

Finding the Fourth Proportional to 2,486,928.78, 3,431,961.84 and 1,413,840.78

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Solution

The fourth proportional to 2,486,928.78, 3,431,961.84 and 1,413,840.78 is: 1,951,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,928.78 : 3,431,961.84 = 1,413,840.78 : x
  2. Step 2: Convert to fraction form
    2,486,928.78/3,431,961.84 = 1,413,840.78/x
  3. Step 3: Cross multiply
    2,486,928.78x = 3,431,961.84 × 1,413,840.78
  4. Step 4: Simplify right side
    2,486,928.78x = 4,852,247,604,795.84
  5. Step 5: Solve for x
    x = 4,852,247,604,795.84/2,486,928.78
  6. Step 6: Final answer
    x = 1,951,100.35

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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.