Home / 3,420,235.20-5,126,968.80-1,619,954.40

Finding the Fourth Proportional to 3,420,235.20, 5,126,968.80 and 1,619,954.40

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Solution

The fourth proportional to 3,420,235.20, 5,126,968.80 and 1,619,954.40 is: 2,428,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,235.20 : 5,126,968.80 = 1,619,954.40 : x
  2. Step 2: Convert to fraction form
    3,420,235.20/5,126,968.80 = 1,619,954.40/x
  3. Step 3: Cross multiply
    3,420,235.20x = 5,126,968.80 × 1,619,954.40
  4. Step 4: Simplify right side
    3,420,235.20x = 8,305,455,666,222.72
  5. Step 5: Solve for x
    x = 8,305,455,666,222.72/3,420,235.20
  6. Step 6: Final answer
    x = 2,428,328.81

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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.