Home / 3,929,952.58-5,423,278.96-2,211,069

Finding the Fourth Proportional to 3,929,952.58, 5,423,278.96 and 2,211,069

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Solution

The fourth proportional to 3,929,952.58, 5,423,278.96 and 2,211,069 is: 3,051,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,952.58 : 5,423,278.96 = 2,211,069 : x
  2. Step 2: Convert to fraction form
    3,929,952.58/5,423,278.96 = 2,211,069/x
  3. Step 3: Cross multiply
    3,929,952.58x = 5,423,278.96 × 2,211,069
  4. Step 4: Simplify right side
    3,929,952.58x = 11,991,243,986,808.24
  5. Step 5: Solve for x
    x = 11,991,243,986,808.24/3,929,952.58
  6. Step 6: Final answer
    x = 3,051,243.94

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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.