Home / 3,420,246.20-5,126,985.30-1,619,965.40

Finding the Fourth Proportional to 3,420,246.20, 5,126,985.30 and 1,619,965.40

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Solution

The fourth proportional to 3,420,246.20, 5,126,985.30 and 1,619,965.40 is: 2,428,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,246.20 : 5,126,985.30 = 1,619,965.40 : x
  2. Step 2: Convert to fraction form
    3,420,246.20/5,126,985.30 = 1,619,965.40/x
  3. Step 3: Cross multiply
    3,420,246.20x = 5,126,985.30 × 1,619,965.40
  4. Step 4: Simplify right side
    3,420,246.20x = 8,305,538,792,308.62
  5. Step 5: Solve for x
    x = 8,305,538,792,308.62/3,420,246.20
  6. Step 6: Final answer
    x = 2,428,345.30

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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.