Home / 3,862,795.20-5,330,906.46-2,143,915.80

Finding the Fourth Proportional to 3,862,795.20, 5,330,906.46 and 2,143,915.80

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Solution

The fourth proportional to 3,862,795.20, 5,330,906.46 and 2,143,915.80 is: 2,958,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,795.20 : 5,330,906.46 = 2,143,915.80 : x
  2. Step 2: Convert to fraction form
    3,862,795.20/5,330,906.46 = 2,143,915.80/x
  3. Step 3: Cross multiply
    3,862,795.20x = 5,330,906.46 × 2,143,915.80
  4. Step 4: Simplify right side
    3,862,795.20x = 11,429,014,587,916.07
  5. Step 5: Solve for x
    x = 11,429,014,587,916.07/3,862,795.20
  6. Step 6: Final answer
    x = 2,958,742.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.