Home / 3,362,208.78-4,639,659.03-1,912,256.94

Finding the Fourth Proportional to 3,362,208.78, 4,639,659.03 and 1,912,256.94

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Solution

The fourth proportional to 3,362,208.78, 4,639,659.03 and 1,912,256.94 is: 2,638,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,208.78 : 4,639,659.03 = 1,912,256.94 : x
  2. Step 2: Convert to fraction form
    3,362,208.78/4,639,659.03 = 1,912,256.94/x
  3. Step 3: Cross multiply
    3,362,208.78x = 4,639,659.03 × 1,912,256.94
  4. Step 4: Simplify right side
    3,362,208.78x = 8,872,220,179,351.17
  5. Step 5: Solve for x
    x = 8,872,220,179,351.17/3,362,208.78
  6. Step 6: Final answer
    x = 2,638,807.03

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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.