Home / 1,581,033.92-2,181,824.34-855,881.45

Finding the Fourth Proportional to 1,581,033.92, 2,181,824.34 and 855,881.45

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Solution

The fourth proportional to 1,581,033.92, 2,181,824.34 and 855,881.45 is: 1,181,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,033.92 : 2,181,824.34 = 855,881.45 : x
  2. Step 2: Convert to fraction form
    1,581,033.92/2,181,824.34 = 855,881.45/x
  3. Step 3: Cross multiply
    1,581,033.92x = 2,181,824.34 × 855,881.45
  4. Step 4: Simplify right side
    1,581,033.92x = 1,867,382,979,764.49
  5. Step 5: Solve for x
    x = 1,867,382,979,764.49/1,581,033.92
  6. Step 6: Final answer
    x = 1,181,115.06

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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.