Home / 2,256,906.43-3,114,530.53-1,290,057.48

Finding the Fourth Proportional to 2,256,906.43, 3,114,530.53 and 1,290,057.48

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Solution

The fourth proportional to 2,256,906.43, 3,114,530.53 and 1,290,057.48 is: 1,780,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,906.43 : 3,114,530.53 = 1,290,057.48 : x
  2. Step 2: Convert to fraction form
    2,256,906.43/3,114,530.53 = 1,290,057.48/x
  3. Step 3: Cross multiply
    2,256,906.43x = 3,114,530.53 × 1,290,057.48
  4. Step 4: Simplify right side
    2,256,906.43x = 4,017,923,411,024.00
  5. Step 5: Solve for x
    x = 4,017,923,411,024.00/2,256,906.43
  6. Step 6: Final answer
    x = 1,780,279.13

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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.