Home / 2,128,969.23-3,193,499.22-762,832.17

Finding the Fourth Proportional to 2,128,969.23, 3,193,499.22 and 762,832.17

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Solution

The fourth proportional to 2,128,969.23, 3,193,499.22 and 762,832.17 is: 1,144,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,969.23 : 3,193,499.22 = 762,832.17 : x
  2. Step 2: Convert to fraction form
    2,128,969.23/3,193,499.22 = 762,832.17/x
  3. Step 3: Cross multiply
    2,128,969.23x = 3,193,499.22 × 762,832.17
  4. Step 4: Simplify right side
    2,128,969.23x = 2,436,103,939,885.91
  5. Step 5: Solve for x
    x = 2,436,103,939,885.91/2,128,969.23
  6. Step 6: Final answer
    x = 1,144,264.51

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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.