Home / 1,966,099.16-2,713,659.38-1,286,642

Finding the Fourth Proportional to 1,966,099.16, 2,713,659.38 and 1,286,642

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Solution

The fourth proportional to 1,966,099.16, 2,713,659.38 and 1,286,642 is: 1,775,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,099.16 : 2,713,659.38 = 1,286,642 : x
  2. Step 2: Convert to fraction form
    1,966,099.16/2,713,659.38 = 1,286,642/x
  3. Step 3: Cross multiply
    1,966,099.16x = 2,713,659.38 × 1,286,642
  4. Step 4: Simplify right side
    1,966,099.16x = 3,491,508,132,001.96
  5. Step 5: Solve for x
    x = 3,491,508,132,001.96/1,966,099.16
  6. Step 6: Final answer
    x = 1,775,855.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.