Home / 5,439,876.80-8,159,815.20-2,243,940.80

Finding the Fourth Proportional to 5,439,876.80, 8,159,815.20 and 2,243,940.80

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Solution

The fourth proportional to 5,439,876.80, 8,159,815.20 and 2,243,940.80 is: 3,365,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,876.80 : 8,159,815.20 = 2,243,940.80 : x
  2. Step 2: Convert to fraction form
    5,439,876.80/8,159,815.20 = 2,243,940.80/x
  3. Step 3: Cross multiply
    5,439,876.80x = 8,159,815.20 × 2,243,940.80
  4. Step 4: Simplify right side
    5,439,876.80x = 18,310,142,247,740.16
  5. Step 5: Solve for x
    x = 18,310,142,247,740.16/5,439,876.80
  6. Step 6: Final answer
    x = 3,365,911.20

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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.