Home / 3,929,948.96-5,423,274.02-2,211,065.38

Finding the Fourth Proportional to 3,929,948.96, 5,423,274.02 and 2,211,065.38

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Solution

The fourth proportional to 3,929,948.96, 5,423,274.02 and 2,211,065.38 is: 3,051,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,948.96 : 5,423,274.02 = 2,211,065.38 : x
  2. Step 2: Convert to fraction form
    3,929,948.96/5,423,274.02 = 2,211,065.38/x
  3. Step 3: Cross multiply
    3,929,948.96x = 5,423,274.02 × 2,211,065.38
  4. Step 4: Simplify right side
    3,929,948.96x = 11,991,213,431,875.43
  5. Step 5: Solve for x
    x = 11,991,213,431,875.43/3,929,948.96
  6. Step 6: Final answer
    x = 3,051,238.97

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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.