Home / 2,205,926.60-3,309,421.85-766,400.49

Finding the Fourth Proportional to 2,205,926.60, 3,309,421.85 and 766,400.49

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Solution

The fourth proportional to 2,205,926.60, 3,309,421.85 and 766,400.49 is: 1,149,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,926.60 : 3,309,421.85 = 766,400.49 : x
  2. Step 2: Convert to fraction form
    2,205,926.60/3,309,421.85 = 766,400.49/x
  3. Step 3: Cross multiply
    2,205,926.60x = 3,309,421.85 × 766,400.49
  4. Step 4: Simplify right side
    2,205,926.60x = 2,536,342,529,372.71
  5. Step 5: Solve for x
    x = 2,536,342,529,372.71/2,205,926.60
  6. Step 6: Final answer
    x = 1,149,785.55

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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.