Home / 3,959,467.54-5,464,065.20-2,148,631.54

Finding the Fourth Proportional to 3,959,467.54, 5,464,065.20 and 2,148,631.54

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Solution

The fourth proportional to 3,959,467.54, 5,464,065.20 and 2,148,631.54 is: 2,965,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,467.54 : 5,464,065.20 = 2,148,631.54 : x
  2. Step 2: Convert to fraction form
    3,959,467.54/5,464,065.20 = 2,148,631.54/x
  3. Step 3: Cross multiply
    3,959,467.54x = 5,464,065.20 × 2,148,631.54
  4. Step 4: Simplify right side
    3,959,467.54x = 11,740,262,825,336.41
  5. Step 5: Solve for x
    x = 11,740,262,825,336.41/3,959,467.54
  6. Step 6: Final answer
    x = 2,965,111.52

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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.