Home / 3,362,801.85-4,640,769.09-1,912,706.19

Finding the Fourth Proportional to 3,362,801.85, 4,640,769.09 and 1,912,706.19

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Solution

The fourth proportional to 3,362,801.85, 4,640,769.09 and 1,912,706.19 is: 2,639,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,801.85 : 4,640,769.09 = 1,912,706.19 : x
  2. Step 2: Convert to fraction form
    3,362,801.85/4,640,769.09 = 1,912,706.19/x
  3. Step 3: Cross multiply
    3,362,801.85x = 4,640,769.09 × 1,912,706.19
  4. Step 4: Simplify right side
    3,362,801.85x = 8,876,427,764,803.67
  5. Step 5: Solve for x
    x = 8,876,427,764,803.67/3,362,801.85
  6. Step 6: Final answer
    x = 2,639,592.86

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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.