Home / 2,782,208.60-3,839,487.77-1,620,625.13

Finding the Fourth Proportional to 2,782,208.60, 3,839,487.77 and 1,620,625.13

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Solution

The fourth proportional to 2,782,208.60, 3,839,487.77 and 1,620,625.13 is: 2,236,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,208.60 : 3,839,487.77 = 1,620,625.13 : x
  2. Step 2: Convert to fraction form
    2,782,208.60/3,839,487.77 = 1,620,625.13/x
  3. Step 3: Cross multiply
    2,782,208.60x = 3,839,487.77 × 1,620,625.13
  4. Step 4: Simplify right side
    2,782,208.60x = 6,222,370,351,243.78
  5. Step 5: Solve for x
    x = 6,222,370,351,243.78/2,782,208.60
  6. Step 6: Final answer
    x = 2,236,485.92

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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.