Home / 2,320,348.34-3,202,056.44-1,287,865.05

Finding the Fourth Proportional to 2,320,348.34, 3,202,056.44 and 1,287,865.05

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Solution

The fourth proportional to 2,320,348.34, 3,202,056.44 and 1,287,865.05 is: 1,777,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,348.34 : 3,202,056.44 = 1,287,865.05 : x
  2. Step 2: Convert to fraction form
    2,320,348.34/3,202,056.44 = 1,287,865.05/x
  3. Step 3: Cross multiply
    2,320,348.34x = 3,202,056.44 × 1,287,865.05
  4. Step 4: Simplify right side
    2,320,348.34x = 4,123,816,577,203.42
  5. Step 5: Solve for x
    x = 4,123,816,577,203.42/2,320,348.34
  6. Step 6: Final answer
    x = 1,777,240.30

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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.