Home / 3,298,299.80-4,943,996.66-1,380,309.91

Finding the Fourth Proportional to 3,298,299.80, 4,943,996.66 and 1,380,309.91

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Solution

The fourth proportional to 3,298,299.80, 4,943,996.66 and 1,380,309.91 is: 2,069,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,299.80 : 4,943,996.66 = 1,380,309.91 : x
  2. Step 2: Convert to fraction form
    3,298,299.80/4,943,996.66 = 1,380,309.91/x
  3. Step 3: Cross multiply
    3,298,299.80x = 4,943,996.66 × 1,380,309.91
  4. Step 4: Simplify right side
    3,298,299.80x = 6,824,247,565,543.36
  5. Step 5: Solve for x
    x = 6,824,247,565,543.36/3,298,299.80
  6. Step 6: Final answer
    x = 2,069,019.79

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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.