Home / 3,913,288.36-5,401,112.40-2,538,336.04

Finding the Fourth Proportional to 3,913,288.36, 5,401,112.40 and 2,538,336.04

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Solution

The fourth proportional to 3,913,288.36, 5,401,112.40 and 2,538,336.04 is: 3,503,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,288.36 : 5,401,112.40 = 2,538,336.04 : x
  2. Step 2: Convert to fraction form
    3,913,288.36/5,401,112.40 = 2,538,336.04/x
  3. Step 3: Cross multiply
    3,913,288.36x = 5,401,112.40 × 2,538,336.04
  4. Step 4: Simplify right side
    3,913,288.36x = 13,709,838,261,010.90
  5. Step 5: Solve for x
    x = 13,709,838,261,010.90/3,913,288.36
  6. Step 6: Final answer
    x = 3,503,406.09

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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.