Home / 2,078,717.80-3,116,327.10-1,081,445.80

Finding the Fourth Proportional to 2,078,717.80, 3,116,327.10 and 1,081,445.80

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Solution

The fourth proportional to 2,078,717.80, 3,116,327.10 and 1,081,445.80 is: 1,621,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,717.80 : 3,116,327.10 = 1,081,445.80 : x
  2. Step 2: Convert to fraction form
    2,078,717.80/3,116,327.10 = 1,081,445.80/x
  3. Step 3: Cross multiply
    2,078,717.80x = 3,116,327.10 × 1,081,445.80
  4. Step 4: Simplify right side
    2,078,717.80x = 3,370,138,853,721.18
  5. Step 5: Solve for x
    x = 3,370,138,853,721.18/2,078,717.80
  6. Step 6: Final answer
    x = 1,621,258.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.