Home / 3,939,793.54-5,436,998.16-2,220,914

Finding the Fourth Proportional to 3,939,793.54, 5,436,998.16 and 2,220,914

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Solution

The fourth proportional to 3,939,793.54, 5,436,998.16 and 2,220,914 is: 3,064,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,793.54 : 5,436,998.16 = 2,220,914 : x
  2. Step 2: Convert to fraction form
    3,939,793.54/5,436,998.16 = 2,220,914/x
  3. Step 3: Cross multiply
    3,939,793.54x = 5,436,998.16 × 2,220,914
  4. Step 4: Simplify right side
    3,939,793.54x = 12,075,105,331,518.24
  5. Step 5: Solve for x
    x = 12,075,105,331,518.24/3,939,793.54
  6. Step 6: Final answer
    x = 3,064,908.15

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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.