Home / 3,879,447.40-5,353,426.92-2,136,777.76

Finding the Fourth Proportional to 3,879,447.40, 5,353,426.92 and 2,136,777.76

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Solution

The fourth proportional to 3,879,447.40, 5,353,426.92 and 2,136,777.76 is: 2,948,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,447.40 : 5,353,426.92 = 2,136,777.76 : x
  2. Step 2: Convert to fraction form
    3,879,447.40/5,353,426.92 = 2,136,777.76/x
  3. Step 3: Cross multiply
    3,879,447.40x = 5,353,426.92 × 2,136,777.76
  4. Step 4: Simplify right side
    3,879,447.40x = 11,439,083,582,441.30
  5. Step 5: Solve for x
    x = 11,439,083,582,441.30/3,879,447.40
  6. Step 6: Final answer
    x = 2,948,637.37

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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.