Home / 5,113,896.79-7,057,175.71-2,790,789.32

Finding the Fourth Proportional to 5,113,896.79, 7,057,175.71 and 2,790,789.32

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Solution

The fourth proportional to 5,113,896.79, 7,057,175.71 and 2,790,789.32 is: 3,851,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,896.79 : 7,057,175.71 = 2,790,789.32 : x
  2. Step 2: Convert to fraction form
    5,113,896.79/7,057,175.71 = 2,790,789.32/x
  3. Step 3: Cross multiply
    5,113,896.79x = 7,057,175.71 × 2,790,789.32
  4. Step 4: Simplify right side
    5,113,896.79x = 19,695,090,565,545.54
  5. Step 5: Solve for x
    x = 19,695,090,565,545.54/5,113,896.79
  6. Step 6: Final answer
    x = 3,851,288.24

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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.