Home / 3,855,876.29-5,320,995.10-2,113,508.42

Finding the Fourth Proportional to 3,855,876.29, 5,320,995.10 and 2,113,508.42

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Solution

The fourth proportional to 3,855,876.29, 5,320,995.10 and 2,113,508.42 is: 2,916,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,876.29 : 5,320,995.10 = 2,113,508.42 : x
  2. Step 2: Convert to fraction form
    3,855,876.29/5,320,995.10 = 2,113,508.42/x
  3. Step 3: Cross multiply
    3,855,876.29x = 5,320,995.10 × 2,113,508.42
  4. Step 4: Simplify right side
    3,855,876.29x = 11,245,967,946,628.74
  5. Step 5: Solve for x
    x = 11,245,967,946,628.74/3,855,876.29
  6. Step 6: Final answer
    x = 2,916,579.03

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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.