Home / 3,981,125.80-5,971,688.70-2,183,314.60

Finding the Fourth Proportional to 3,981,125.80, 5,971,688.70 and 2,183,314.60

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Solution

The fourth proportional to 3,981,125.80, 5,971,688.70 and 2,183,314.60 is: 3,274,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,125.80 : 5,971,688.70 = 2,183,314.60 : x
  2. Step 2: Convert to fraction form
    3,981,125.80/5,971,688.70 = 2,183,314.60/x
  3. Step 3: Cross multiply
    3,981,125.80x = 5,971,688.70 × 2,183,314.60
  4. Step 4: Simplify right side
    3,981,125.80x = 13,038,075,125,365.02
  5. Step 5: Solve for x
    x = 13,038,075,125,365.02/3,981,125.80
  6. Step 6: Final answer
    x = 3,274,971.90

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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.