Home / 3,896,600.87-5,377,317.01-2,177,721.34

Finding the Fourth Proportional to 3,896,600.87, 5,377,317.01 and 2,177,721.34

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Solution

The fourth proportional to 3,896,600.87, 5,377,317.01 and 2,177,721.34 is: 3,005,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,600.87 : 5,377,317.01 = 2,177,721.34 : x
  2. Step 2: Convert to fraction form
    3,896,600.87/5,377,317.01 = 2,177,721.34/x
  3. Step 3: Cross multiply
    3,896,600.87x = 5,377,317.01 × 2,177,721.34
  4. Step 4: Simplify right side
    3,896,600.87x = 11,710,297,985,734.40
  5. Step 5: Solve for x
    x = 11,710,297,985,734.40/3,896,600.87
  6. Step 6: Final answer
    x = 3,005,259.81

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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.