Home / 2,896,721-3,997,565.88-1,673,003.78

Finding the Fourth Proportional to 2,896,721, 3,997,565.88 and 1,673,003.78

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Solution

The fourth proportional to 2,896,721, 3,997,565.88 and 1,673,003.78 is: 2,308,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,721 : 3,997,565.88 = 1,673,003.78 : x
  2. Step 2: Convert to fraction form
    2,896,721/3,997,565.88 = 1,673,003.78/x
  3. Step 3: Cross multiply
    2,896,721x = 3,997,565.88 × 1,673,003.78
  4. Step 4: Simplify right side
    2,896,721x = 6,687,942,828,039.03
  5. Step 5: Solve for x
    x = 6,687,942,828,039.03/2,896,721
  6. Step 6: Final answer
    x = 2,308,797.72

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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.