Home / 3,320,200.80-4,968,832.40-1,991,458.40

Finding the Fourth Proportional to 3,320,200.80, 4,968,832.40 and 1,991,458.40

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Solution

The fourth proportional to 3,320,200.80, 4,968,832.40 and 1,991,458.40 is: 2,980,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,200.80 : 4,968,832.40 = 1,991,458.40 : x
  2. Step 2: Convert to fraction form
    3,320,200.80/4,968,832.40 = 1,991,458.40/x
  3. Step 3: Cross multiply
    3,320,200.80x = 4,968,832.40 × 1,991,458.40
  4. Step 4: Simplify right side
    3,320,200.80x = 9,895,223,021,172.16
  5. Step 5: Solve for x
    x = 9,895,223,021,172.16/3,320,200.80
  6. Step 6: Final answer
    x = 2,980,308.61

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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.