Home / 2,642,629.44-3,963,942.72-749,386.56

Finding the Fourth Proportional to 2,642,629.44, 3,963,942.72 and 749,386.56

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Solution

The fourth proportional to 2,642,629.44, 3,963,942.72 and 749,386.56 is: 1,124,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,629.44 : 3,963,942.72 = 749,386.56 : x
  2. Step 2: Convert to fraction form
    2,642,629.44/3,963,942.72 = 749,386.56/x
  3. Step 3: Cross multiply
    2,642,629.44x = 3,963,942.72 × 749,386.56
  4. Step 4: Simplify right side
    2,642,629.44x = 2,970,525,398,977.84
  5. Step 5: Solve for x
    x = 2,970,525,398,977.84/2,642,629.44
  6. Step 6: Final answer
    x = 1,124,079.43

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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.