Home / 3,917,279.08-5,405,885.22-2,174,977

Finding the Fourth Proportional to 3,917,279.08, 5,405,885.22 and 2,174,977

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Solution

The fourth proportional to 3,917,279.08, 5,405,885.22 and 2,174,977 is: 3,001,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,279.08 : 5,405,885.22 = 2,174,977 : x
  2. Step 2: Convert to fraction form
    3,917,279.08/5,405,885.22 = 2,174,977/x
  3. Step 3: Cross multiply
    3,917,279.08x = 5,405,885.22 × 2,174,977
  4. Step 4: Simplify right side
    3,917,279.08x = 11,757,676,018,139.94
  5. Step 5: Solve for x
    x = 11,757,676,018,139.94/3,917,279.08
  6. Step 6: Final answer
    x = 3,001,490.52

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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.