Home / 3,021,912.60-4,170,231.60-1,663,785.60

Finding the Fourth Proportional to 3,021,912.60, 4,170,231.60 and 1,663,785.60

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Solution

The fourth proportional to 3,021,912.60, 4,170,231.60 and 1,663,785.60 is: 2,296,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,912.60 : 4,170,231.60 = 1,663,785.60 : x
  2. Step 2: Convert to fraction form
    3,021,912.60/4,170,231.60 = 1,663,785.60/x
  3. Step 3: Cross multiply
    3,021,912.60x = 4,170,231.60 × 1,663,785.60
  4. Step 4: Simplify right side
    3,021,912.60x = 6,938,371,284,744.96
  5. Step 5: Solve for x
    x = 6,938,371,284,744.96/3,021,912.60
  6. Step 6: Final answer
    x = 2,296,019.84

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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.