Home / 2,632,448.40-3,947,506.20-1,212,939.60

Finding the Fourth Proportional to 2,632,448.40, 3,947,506.20 and 1,212,939.60

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Solution

The fourth proportional to 2,632,448.40, 3,947,506.20 and 1,212,939.60 is: 1,818,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,448.40 : 3,947,506.20 = 1,212,939.60 : x
  2. Step 2: Convert to fraction form
    2,632,448.40/3,947,506.20 = 1,212,939.60/x
  3. Step 3: Cross multiply
    2,632,448.40x = 3,947,506.20 × 1,212,939.60
  4. Step 4: Simplify right side
    2,632,448.40x = 4,788,086,591,225.52
  5. Step 5: Solve for x
    x = 4,788,086,591,225.52/2,632,448.40
  6. Step 6: Final answer
    x = 1,818,871.96

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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.