Home / 2,643,512.48-3,965,272.50-648,968.48

Finding the Fourth Proportional to 2,643,512.48, 3,965,272.50 and 648,968.48

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Solution

The fourth proportional to 2,643,512.48, 3,965,272.50 and 648,968.48 is: 973,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,512.48 : 3,965,272.50 = 648,968.48 : x
  2. Step 2: Convert to fraction form
    2,643,512.48/3,965,272.50 = 648,968.48/x
  3. Step 3: Cross multiply
    2,643,512.48x = 3,965,272.50 × 648,968.48
  4. Step 4: Simplify right side
    2,643,512.48x = 2,573,336,867,110.80
  5. Step 5: Solve for x
    x = 2,573,336,867,110.80/2,643,512.48
  6. Step 6: Final answer
    x = 973,453.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.