Home / 3,362,209.28-4,639,659.72-1,912,257.44

Finding the Fourth Proportional to 3,362,209.28, 4,639,659.72 and 1,912,257.44

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Solution

The fourth proportional to 3,362,209.28, 4,639,659.72 and 1,912,257.44 is: 2,638,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,209.28 : 4,639,659.72 = 1,912,257.44 : x
  2. Step 2: Convert to fraction form
    3,362,209.28/4,639,659.72 = 1,912,257.44/x
  3. Step 3: Cross multiply
    3,362,209.28x = 4,639,659.72 × 1,912,257.44
  4. Step 4: Simplify right side
    3,362,209.28x = 8,872,223,818,638.32
  5. Step 5: Solve for x
    x = 8,872,223,818,638.32/3,362,209.28
  6. Step 6: Final answer
    x = 2,638,807.72

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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.