Home / 3,084,793.80-4,627,190.70-1,821,971.40

Finding the Fourth Proportional to 3,084,793.80, 4,627,190.70 and 1,821,971.40

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Solution

The fourth proportional to 3,084,793.80, 4,627,190.70 and 1,821,971.40 is: 2,732,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,793.80 : 4,627,190.70 = 1,821,971.40 : x
  2. Step 2: Convert to fraction form
    3,084,793.80/4,627,190.70 = 1,821,971.40/x
  3. Step 3: Cross multiply
    3,084,793.80x = 4,627,190.70 × 1,821,971.40
  4. Step 4: Simplify right side
    3,084,793.80x = 8,430,609,117,745.98
  5. Step 5: Solve for x
    x = 8,430,609,117,745.98/3,084,793.80
  6. Step 6: Final answer
    x = 2,732,957.10

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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.