Home / 3,929,949.80-5,423,275.18-2,211,066.22

Finding the Fourth Proportional to 3,929,949.80, 5,423,275.18 and 2,211,066.22

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Solution

The fourth proportional to 3,929,949.80, 5,423,275.18 and 2,211,066.22 is: 3,051,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,949.80 : 5,423,275.18 = 2,211,066.22 : x
  2. Step 2: Convert to fraction form
    3,929,949.80/5,423,275.18 = 2,211,066.22/x
  3. Step 3: Cross multiply
    3,929,949.80x = 5,423,275.18 × 2,211,066.22
  4. Step 4: Simplify right side
    3,929,949.80x = 11,991,220,552,262.42
  5. Step 5: Solve for x
    x = 11,991,220,552,262.42/3,929,949.80
  6. Step 6: Final answer
    x = 3,051,240.13

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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.