Home / 2,996,406.78-4,135,058.67-1,638,279.78

Finding the Fourth Proportional to 2,996,406.78, 4,135,058.67 and 1,638,279.78

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Solution

The fourth proportional to 2,996,406.78, 4,135,058.67 and 1,638,279.78 is: 2,260,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,406.78 : 4,135,058.67 = 1,638,279.78 : x
  2. Step 2: Convert to fraction form
    2,996,406.78/4,135,058.67 = 1,638,279.78/x
  3. Step 3: Cross multiply
    2,996,406.78x = 4,135,058.67 × 1,638,279.78
  4. Step 4: Simplify right side
    2,996,406.78x = 6,774,383,008,174.69
  5. Step 5: Solve for x
    x = 6,774,383,008,174.69/2,996,406.78
  6. Step 6: Final answer
    x = 2,260,835.56

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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.