Home / 2,285,165-3,153,630.56-1,305,189.20

Finding the Fourth Proportional to 2,285,165, 3,153,630.56 and 1,305,189.20

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Solution

The fourth proportional to 2,285,165, 3,153,630.56 and 1,305,189.20 is: 1,801,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,165 : 3,153,630.56 = 1,305,189.20 : x
  2. Step 2: Convert to fraction form
    2,285,165/3,153,630.56 = 1,305,189.20/x
  3. Step 3: Cross multiply
    2,285,165x = 3,153,630.56 × 1,305,189.20
  4. Step 4: Simplify right side
    2,285,165x = 4,116,084,547,701.95
  5. Step 5: Solve for x
    x = 4,116,084,547,701.95/2,285,165
  6. Step 6: Final answer
    x = 1,801,219.85

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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.