Home / 1,938,231.78-2,907,358.61-1,725,983.43

Finding the Fourth Proportional to 1,938,231.78, 2,907,358.61 and 1,725,983.43

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Solution

The fourth proportional to 1,938,231.78, 2,907,358.61 and 1,725,983.43 is: 2,588,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,231.78 : 2,907,358.61 = 1,725,983.43 : x
  2. Step 2: Convert to fraction form
    1,938,231.78/2,907,358.61 = 1,725,983.43/x
  3. Step 3: Cross multiply
    1,938,231.78x = 2,907,358.61 × 1,725,983.43
  4. Step 4: Simplify right side
    1,938,231.78x = 5,018,052,777,297.92
  5. Step 5: Solve for x
    x = 5,018,052,777,297.92/1,938,231.78
  6. Step 6: Final answer
    x = 2,588,984.88

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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.