Home / 2,139,393.96-3,208,412.94-699,744.54

Finding the Fourth Proportional to 2,139,393.96, 3,208,412.94 and 699,744.54

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Solution

The fourth proportional to 2,139,393.96, 3,208,412.94 and 699,744.54 is: 1,049,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,393.96 : 3,208,412.94 = 699,744.54 : x
  2. Step 2: Convert to fraction form
    2,139,393.96/3,208,412.94 = 699,744.54/x
  3. Step 3: Cross multiply
    2,139,393.96x = 3,208,412.94 × 699,744.54
  4. Step 4: Simplify right side
    2,139,393.96x = 2,245,069,436,830.35
  5. Step 5: Solve for x
    x = 2,245,069,436,830.35/2,139,393.96
  6. Step 6: Final answer
    x = 1,049,395.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.