Home / 4,778,912.80-7,172,451.60-1,941,061.60

Finding the Fourth Proportional to 4,778,912.80, 7,172,451.60 and 1,941,061.60

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Solution

The fourth proportional to 4,778,912.80, 7,172,451.60 and 1,941,061.60 is: 2,913,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,912.80 : 7,172,451.60 = 1,941,061.60 : x
  2. Step 2: Convert to fraction form
    4,778,912.80/7,172,451.60 = 1,941,061.60/x
  3. Step 3: Cross multiply
    4,778,912.80x = 7,172,451.60 × 1,941,061.60
  4. Step 4: Simplify right side
    4,778,912.80x = 13,922,170,378,618.56
  5. Step 5: Solve for x
    x = 13,922,170,378,618.56/4,778,912.80
  6. Step 6: Final answer
    x = 2,913,250.56

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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.