Home / 3,874,849.40-5,809,649.70-1,980,032.60

Finding the Fourth Proportional to 3,874,849.40, 5,809,649.70 and 1,980,032.60

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Solution

The fourth proportional to 3,874,849.40, 5,809,649.70 and 1,980,032.60 is: 2,968,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,849.40 : 5,809,649.70 = 1,980,032.60 : x
  2. Step 2: Convert to fraction form
    3,874,849.40/5,809,649.70 = 1,980,032.60/x
  3. Step 3: Cross multiply
    3,874,849.40x = 5,809,649.70 × 1,980,032.60
  4. Step 4: Simplify right side
    3,874,849.40x = 11,503,295,800,580.22
  5. Step 5: Solve for x
    x = 11,503,295,800,580.22/3,874,849.40
  6. Step 6: Final answer
    x = 2,968,707.84

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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.