Home / 3,140,813.80-4,711,220.70-2,821,949.20

Finding the Fourth Proportional to 3,140,813.80, 4,711,220.70 and 2,821,949.20

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Solution

The fourth proportional to 3,140,813.80, 4,711,220.70 and 2,821,949.20 is: 4,232,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,813.80 : 4,711,220.70 = 2,821,949.20 : x
  2. Step 2: Convert to fraction form
    3,140,813.80/4,711,220.70 = 2,821,949.20/x
  3. Step 3: Cross multiply
    3,140,813.80x = 4,711,220.70 × 2,821,949.20
  4. Step 4: Simplify right side
    3,140,813.80x = 13,294,825,485,388.44
  5. Step 5: Solve for x
    x = 13,294,825,485,388.44/3,140,813.80
  6. Step 6: Final answer
    x = 4,232,923.80

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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.