Home / 3,078,390.94-4,618,333.80-948,475

Finding the Fourth Proportional to 3,078,390.94, 4,618,333.80 and 948,475

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Solution

The fourth proportional to 3,078,390.94, 4,618,333.80 and 948,475 is: 1,422,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,390.94 : 4,618,333.80 = 948,475 : x
  2. Step 2: Convert to fraction form
    3,078,390.94/4,618,333.80 = 948,475/x
  3. Step 3: Cross multiply
    3,078,390.94x = 4,618,333.80 × 948,475
  4. Step 4: Simplify right side
    3,078,390.94x = 4,380,374,150,955
  5. Step 5: Solve for x
    x = 4,380,374,150,955/3,078,390.94
  6. Step 6: Final answer
    x = 1,422,942.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.