Home / 2,108,646.29-3,162,969.41-511,209.32

Finding the Fourth Proportional to 2,108,646.29, 3,162,969.41 and 511,209.32

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Solution

The fourth proportional to 2,108,646.29, 3,162,969.41 and 511,209.32 is: 766,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,646.29 : 3,162,969.41 = 511,209.32 : x
  2. Step 2: Convert to fraction form
    2,108,646.29/3,162,969.41 = 511,209.32/x
  3. Step 3: Cross multiply
    2,108,646.29x = 3,162,969.41 × 511,209.32
  4. Step 4: Simplify right side
    2,108,646.29x = 1,616,939,422,896.01
  5. Step 5: Solve for x
    x = 1,616,939,422,896.01/2,108,646.29
  6. Step 6: Final answer
    x = 766,813.97

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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.