Home / 3,477,309.50-4,798,615.61-1,928,321.21

Finding the Fourth Proportional to 3,477,309.50, 4,798,615.61 and 1,928,321.21

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Solution

The fourth proportional to 3,477,309.50, 4,798,615.61 and 1,928,321.21 is: 2,661,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,309.50 : 4,798,615.61 = 1,928,321.21 : x
  2. Step 2: Convert to fraction form
    3,477,309.50/4,798,615.61 = 1,928,321.21/x
  3. Step 3: Cross multiply
    3,477,309.50x = 4,798,615.61 × 1,928,321.21
  4. Step 4: Simplify right side
    3,477,309.50x = 9,253,272,259,400.09
  5. Step 5: Solve for x
    x = 9,253,272,259,400.09/3,477,309.50
  6. Step 6: Final answer
    x = 2,661,043.62

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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.