Home / 5,161,501.73-7,122,862.01-2,957,078.43

Finding the Fourth Proportional to 5,161,501.73, 7,122,862.01 and 2,957,078.43

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Solution

The fourth proportional to 5,161,501.73, 7,122,862.01 and 2,957,078.43 is: 4,080,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,501.73 : 7,122,862.01 = 2,957,078.43 : x
  2. Step 2: Convert to fraction form
    5,161,501.73/7,122,862.01 = 2,957,078.43/x
  3. Step 3: Cross multiply
    5,161,501.73x = 7,122,862.01 × 2,957,078.43
  4. Step 4: Simplify right side
    5,161,501.73x = 21,062,861,594,852.05
  5. Step 5: Solve for x
    x = 21,062,861,594,852.05/5,161,501.73
  6. Step 6: Final answer
    x = 4,080,762.29

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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.