Home / 3,913,288.08-5,401,112.09-2,538,335.76

Finding the Fourth Proportional to 3,913,288.08, 5,401,112.09 and 2,538,335.76

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Solution

The fourth proportional to 3,913,288.08, 5,401,112.09 and 2,538,335.76 is: 3,503,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,288.08 : 5,401,112.09 = 2,538,335.76 : x
  2. Step 2: Convert to fraction form
    3,913,288.08/5,401,112.09 = 2,538,335.76/x
  3. Step 3: Cross multiply
    3,913,288.08x = 5,401,112.09 × 2,538,335.76
  4. Step 4: Simplify right side
    3,913,288.08x = 13,709,835,949,123.66
  5. Step 5: Solve for x
    x = 13,709,835,949,123.66/3,913,288.08
  6. Step 6: Final answer
    x = 3,503,405.75

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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.