Home / 2,320,269.76-3,201,924-1,287,717.58

Finding the Fourth Proportional to 2,320,269.76, 3,201,924 and 1,287,717.58

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Solution

The fourth proportional to 2,320,269.76, 3,201,924 and 1,287,717.58 is: 1,777,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,269.76 : 3,201,924 = 1,287,717.58 : x
  2. Step 2: Convert to fraction form
    2,320,269.76/3,201,924 = 1,287,717.58/x
  3. Step 3: Cross multiply
    2,320,269.76x = 3,201,924 × 1,287,717.58
  4. Step 4: Simplify right side
    2,320,269.76x = 4,123,173,824,623.92
  5. Step 5: Solve for x
    x = 4,123,173,824,623.92/2,320,269.76
  6. Step 6: Final answer
    x = 1,777,023.47

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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.