Home / 3,830,812.60-5,743,302.90-1,938,911.80

Finding the Fourth Proportional to 3,830,812.60, 5,743,302.90 and 1,938,911.80

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Solution

The fourth proportional to 3,830,812.60, 5,743,302.90 and 1,938,911.80 is: 2,906,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,812.60 : 5,743,302.90 = 1,938,911.80 : x
  2. Step 2: Convert to fraction form
    3,830,812.60/5,743,302.90 = 1,938,911.80/x
  3. Step 3: Cross multiply
    3,830,812.60x = 5,743,302.90 × 1,938,911.80
  4. Step 4: Simplify right side
    3,830,812.60x = 11,135,757,763,784.22
  5. Step 5: Solve for x
    x = 11,135,757,763,784.22/3,830,812.60
  6. Step 6: Final answer
    x = 2,906,891.81

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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.