Home / 2,632,611.40-3,947,750.70-1,213,102.60

Finding the Fourth Proportional to 2,632,611.40, 3,947,750.70 and 1,213,102.60

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Solution

The fourth proportional to 2,632,611.40, 3,947,750.70 and 1,213,102.60 is: 1,819,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,611.40 : 3,947,750.70 = 1,213,102.60 : x
  2. Step 2: Convert to fraction form
    2,632,611.40/3,947,750.70 = 1,213,102.60/x
  3. Step 3: Cross multiply
    2,632,611.40x = 3,947,750.70 × 1,213,102.60
  4. Step 4: Simplify right side
    2,632,611.40x = 4,789,026,638,321.82
  5. Step 5: Solve for x
    x = 4,789,026,638,321.82/2,632,611.40
  6. Step 6: Final answer
    x = 1,819,116.42

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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.