Home / 3,929,949.96-5,423,275.40-2,211,066.38

Finding the Fourth Proportional to 3,929,949.96, 5,423,275.40 and 2,211,066.38

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Solution

The fourth proportional to 3,929,949.96, 5,423,275.40 and 2,211,066.38 is: 3,051,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,949.96 : 5,423,275.40 = 2,211,066.38 : x
  2. Step 2: Convert to fraction form
    3,929,949.96/5,423,275.40 = 2,211,066.38/x
  3. Step 3: Cross multiply
    3,929,949.96x = 5,423,275.40 × 2,211,066.38
  4. Step 4: Simplify right side
    3,929,949.96x = 11,991,221,906,421.05
  5. Step 5: Solve for x
    x = 11,991,221,906,421.05/3,929,949.96
  6. Step 6: Final answer
    x = 3,051,240.35

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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.