Home / 3,221,127.88-4,831,692.72-946,652.15

Finding the Fourth Proportional to 3,221,127.88, 4,831,692.72 and 946,652.15

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Solution

The fourth proportional to 3,221,127.88, 4,831,692.72 and 946,652.15 is: 1,419,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,127.88 : 4,831,692.72 = 946,652.15 : x
  2. Step 2: Convert to fraction form
    3,221,127.88/4,831,692.72 = 946,652.15/x
  3. Step 3: Cross multiply
    3,221,127.88x = 4,831,692.72 × 946,652.15
  4. Step 4: Simplify right side
    3,221,127.88x = 4,573,932,313,606.58
  5. Step 5: Solve for x
    x = 4,573,932,313,606.58/3,221,127.88
  6. Step 6: Final answer
    x = 1,419,978.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.