Home / 3,456,069.60-5,185,659.60-1,213,816.80

Finding the Fourth Proportional to 3,456,069.60, 5,185,659.60 and 1,213,816.80

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Solution

The fourth proportional to 3,456,069.60, 5,185,659.60 and 1,213,816.80 is: 1,821,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,069.60 : 5,185,659.60 = 1,213,816.80 : x
  2. Step 2: Convert to fraction form
    3,456,069.60/5,185,659.60 = 1,213,816.80/x
  3. Step 3: Cross multiply
    3,456,069.60x = 5,185,659.60 × 1,213,816.80
  4. Step 4: Simplify right side
    3,456,069.60x = 6,294,440,741,561.28
  5. Step 5: Solve for x
    x = 6,294,440,741,561.28/3,456,069.60
  6. Step 6: Final answer
    x = 1,821,271.41

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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.