Home / 3,963,689.32-5,469,920.10-2,152,852.84

Finding the Fourth Proportional to 3,963,689.32, 5,469,920.10 and 2,152,852.84

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Solution

The fourth proportional to 3,963,689.32, 5,469,920.10 and 2,152,852.84 is: 2,970,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,689.32 : 5,469,920.10 = 2,152,852.84 : x
  2. Step 2: Convert to fraction form
    3,963,689.32/5,469,920.10 = 2,152,852.84/x
  3. Step 3: Cross multiply
    3,963,689.32x = 5,469,920.10 × 2,152,852.84
  4. Step 4: Simplify right side
    3,963,689.32x = 11,775,933,021,858.08
  5. Step 5: Solve for x
    x = 11,775,933,021,858.08/3,963,689.32
  6. Step 6: Final answer
    x = 2,970,952.58

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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.