Home / 3,842,378.46-5,302,334.40-2,211,309.78

Finding the Fourth Proportional to 3,842,378.46, 5,302,334.40 and 2,211,309.78

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Solution

The fourth proportional to 3,842,378.46, 5,302,334.40 and 2,211,309.78 is: 3,051,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,378.46 : 5,302,334.40 = 2,211,309.78 : x
  2. Step 2: Convert to fraction form
    3,842,378.46/5,302,334.40 = 2,211,309.78/x
  3. Step 3: Cross multiply
    3,842,378.46x = 5,302,334.40 × 2,211,309.78
  4. Step 4: Simplify right side
    3,842,378.46x = 11,725,103,915,550.43
  5. Step 5: Solve for x
    x = 11,725,103,915,550.43/3,842,378.46
  6. Step 6: Final answer
    x = 3,051,522.39

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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.