Home / 2,311,057.78-3,189,248.85-1,292,466.58

Finding the Fourth Proportional to 2,311,057.78, 3,189,248.85 and 1,292,466.58

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Solution

The fourth proportional to 2,311,057.78, 3,189,248.85 and 1,292,466.58 is: 1,783,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,057.78 : 3,189,248.85 = 1,292,466.58 : x
  2. Step 2: Convert to fraction form
    2,311,057.78/3,189,248.85 = 1,292,466.58/x
  3. Step 3: Cross multiply
    2,311,057.78x = 3,189,248.85 × 1,292,466.58
  4. Step 4: Simplify right side
    2,311,057.78x = 4,121,997,553,928.43
  5. Step 5: Solve for x
    x = 4,121,997,553,928.43/2,311,057.78
  6. Step 6: Final answer
    x = 1,783,597.79

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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.