Home / 2,205,925.84-3,309,420.64-766,399.52

Finding the Fourth Proportional to 2,205,925.84, 3,309,420.64 and 766,399.52

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Solution

The fourth proportional to 2,205,925.84, 3,309,420.64 and 766,399.52 is: 1,149,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,925.84 : 3,309,420.64 = 766,399.52 : x
  2. Step 2: Convert to fraction form
    2,205,925.84/3,309,420.64 = 766,399.52/x
  3. Step 3: Cross multiply
    2,205,925.84x = 3,309,420.64 × 766,399.52
  4. Step 4: Simplify right side
    2,205,925.84x = 2,536,338,389,974.09
  5. Step 5: Solve for x
    x = 2,536,338,389,974.09/2,205,925.84
  6. Step 6: Final answer
    x = 1,149,784.07

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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.