Home / 2,831,076.80-4,246,615.20-809,316.80

Finding the Fourth Proportional to 2,831,076.80, 4,246,615.20 and 809,316.80

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Solution

The fourth proportional to 2,831,076.80, 4,246,615.20 and 809,316.80 is: 1,213,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,076.80 : 4,246,615.20 = 809,316.80 : x
  2. Step 2: Convert to fraction form
    2,831,076.80/4,246,615.20 = 809,316.80/x
  3. Step 3: Cross multiply
    2,831,076.80x = 4,246,615.20 × 809,316.80
  4. Step 4: Simplify right side
    2,831,076.80x = 3,436,857,024,495.36
  5. Step 5: Solve for x
    x = 3,436,857,024,495.36/2,831,076.80
  6. Step 6: Final answer
    x = 1,213,975.20

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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.