Home / 1,581,032.82-2,181,822.77-855,880.35

Finding the Fourth Proportional to 1,581,032.82, 2,181,822.77 and 855,880.35

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Solution

The fourth proportional to 1,581,032.82, 2,181,822.77 and 855,880.35 is: 1,181,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,032.82 : 2,181,822.77 = 855,880.35 : x
  2. Step 2: Convert to fraction form
    1,581,032.82/2,181,822.77 = 855,880.35/x
  3. Step 3: Cross multiply
    1,581,032.82x = 2,181,822.77 × 855,880.35
  4. Step 4: Simplify right side
    1,581,032.82x = 1,867,379,220,837.05
  5. Step 5: Solve for x
    x = 1,867,379,220,837.05/1,581,032.82
  6. Step 6: Final answer
    x = 1,181,113.51

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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.