Home / 3,909,639.20-5,392,103.32-2,751,917.96

Finding the Fourth Proportional to 3,909,639.20, 5,392,103.32 and 2,751,917.96

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Solution

The fourth proportional to 3,909,639.20, 5,392,103.32 and 2,751,917.96 is: 3,795,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,639.20 : 5,392,103.32 = 2,751,917.96 : x
  2. Step 2: Convert to fraction form
    3,909,639.20/5,392,103.32 = 2,751,917.96/x
  3. Step 3: Cross multiply
    3,909,639.20x = 5,392,103.32 × 2,751,917.96
  4. Step 4: Simplify right side
    3,909,639.20x = 14,838,625,968,483.63
  5. Step 5: Solve for x
    x = 14,838,625,968,483.63/3,909,639.20
  6. Step 6: Final answer
    x = 3,795,395.23

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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.