Home / 3,016,947.31-4,163,468.93-1,640,383.45

Finding the Fourth Proportional to 3,016,947.31, 4,163,468.93 and 1,640,383.45

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Solution

The fourth proportional to 3,016,947.31, 4,163,468.93 and 1,640,383.45 is: 2,263,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,947.31 : 4,163,468.93 = 1,640,383.45 : x
  2. Step 2: Convert to fraction form
    3,016,947.31/4,163,468.93 = 1,640,383.45/x
  3. Step 3: Cross multiply
    3,016,947.31x = 4,163,468.93 × 1,640,383.45
  4. Step 4: Simplify right side
    3,016,947.31x = 6,829,685,527,361.21
  5. Step 5: Solve for x
    x = 6,829,685,527,361.21/3,016,947.31
  6. Step 6: Final answer
    x = 2,263,773.55

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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.