Home / 2,578,784.33-3,558,513.92-1,491,126.45

Finding the Fourth Proportional to 2,578,784.33, 3,558,513.92 and 1,491,126.45

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Solution

The fourth proportional to 2,578,784.33, 3,558,513.92 and 1,491,126.45 is: 2,057,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,784.33 : 3,558,513.92 = 1,491,126.45 : x
  2. Step 2: Convert to fraction form
    2,578,784.33/3,558,513.92 = 1,491,126.45/x
  3. Step 3: Cross multiply
    2,578,784.33x = 3,558,513.92 × 1,491,126.45
  4. Step 4: Simplify right side
    2,578,784.33x = 5,306,194,221,349.55
  5. Step 5: Solve for x
    x = 5,306,194,221,349.55/2,578,784.33
  6. Step 6: Final answer
    x = 2,057,633.97

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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.