Home / 4,821,242.31-7,231,629.78-1,789,199.28

Finding the Fourth Proportional to 4,821,242.31, 7,231,629.78 and 1,789,199.28

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Solution

The fourth proportional to 4,821,242.31, 7,231,629.78 and 1,789,199.28 is: 2,683,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821,242.31 : 7,231,629.78 = 1,789,199.28 : x
  2. Step 2: Convert to fraction form
    4,821,242.31/7,231,629.78 = 1,789,199.28/x
  3. Step 3: Cross multiply
    4,821,242.31x = 7,231,629.78 × 1,789,199.28
  4. Step 4: Simplify right side
    4,821,242.31x = 12,938,826,795,602.56
  5. Step 5: Solve for x
    x = 12,938,826,795,602.56/4,821,242.31
  6. Step 6: Final answer
    x = 2,683,712.20

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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.