Home / 5,183,419.20-7,775,128.80-3,298,516.80

Finding the Fourth Proportional to 5,183,419.20, 7,775,128.80 and 3,298,516.80

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Solution

The fourth proportional to 5,183,419.20, 7,775,128.80 and 3,298,516.80 is: 4,947,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,419.20 : 7,775,128.80 = 3,298,516.80 : x
  2. Step 2: Convert to fraction form
    5,183,419.20/7,775,128.80 = 3,298,516.80/x
  3. Step 3: Cross multiply
    5,183,419.20x = 7,775,128.80 × 3,298,516.80
  4. Step 4: Simplify right side
    5,183,419.20x = 25,646,392,968,963.84
  5. Step 5: Solve for x
    x = 25,646,392,968,963.84/5,183,419.20
  6. Step 6: Final answer
    x = 4,947,775.20

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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.