Home / 1,661,459.79-2,293,241.07-1,082,126.52

Finding the Fourth Proportional to 1,661,459.79, 2,293,241.07 and 1,082,126.52

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Solution

The fourth proportional to 1,661,459.79, 2,293,241.07 and 1,082,126.52 is: 1,493,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,459.79 : 2,293,241.07 = 1,082,126.52 : x
  2. Step 2: Convert to fraction form
    1,661,459.79/2,293,241.07 = 1,082,126.52/x
  3. Step 3: Cross multiply
    1,661,459.79x = 2,293,241.07 × 1,082,126.52
  4. Step 4: Simplify right side
    1,661,459.79x = 2,481,576,978,600.18
  5. Step 5: Solve for x
    x = 2,481,576,978,600.18/1,661,459.79
  6. Step 6: Final answer
    x = 1,493,612.42

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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.