Home / 2,128,962.42-3,193,488.96-762,825.36

Finding the Fourth Proportional to 2,128,962.42, 3,193,488.96 and 762,825.36

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Solution

The fourth proportional to 2,128,962.42, 3,193,488.96 and 762,825.36 is: 1,144,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,962.42 : 3,193,488.96 = 762,825.36 : x
  2. Step 2: Convert to fraction form
    2,128,962.42/3,193,488.96 = 762,825.36/x
  3. Step 3: Cross multiply
    2,128,962.42x = 3,193,488.96 × 762,825.36
  4. Step 4: Simplify right side
    2,128,962.42x = 2,436,074,365,568.03
  5. Step 5: Solve for x
    x = 2,436,074,365,568.03/2,128,962.42
  6. Step 6: Final answer
    x = 1,144,254.28

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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.