Home / 2,621,021.27-3,929,926.35-1,021,715.96

Finding the Fourth Proportional to 2,621,021.27, 3,929,926.35 and 1,021,715.96

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Solution

The fourth proportional to 2,621,021.27, 3,929,926.35 and 1,021,715.96 is: 1,531,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,021.27 : 3,929,926.35 = 1,021,715.96 : x
  2. Step 2: Convert to fraction form
    2,621,021.27/3,929,926.35 = 1,021,715.96/x
  3. Step 3: Cross multiply
    2,621,021.27x = 3,929,926.35 × 1,021,715.96
  4. Step 4: Simplify right side
    2,621,021.27x = 4,015,268,473,419.55
  5. Step 5: Solve for x
    x = 4,015,268,473,419.55/2,621,021.27
  6. Step 6: Final answer
    x = 1,531,948.07

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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.