Home / 4,016,666.31-5,542,981.97-2,181,109.78

Finding the Fourth Proportional to 4,016,666.31, 5,542,981.97 and 2,181,109.78

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Solution

The fourth proportional to 4,016,666.31, 5,542,981.97 and 2,181,109.78 is: 3,009,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016,666.31 : 5,542,981.97 = 2,181,109.78 : x
  2. Step 2: Convert to fraction form
    4,016,666.31/5,542,981.97 = 2,181,109.78/x
  3. Step 3: Cross multiply
    4,016,666.31x = 5,542,981.97 × 2,181,109.78
  4. Step 4: Simplify right side
    4,016,666.31x = 12,089,852,185,130.66
  5. Step 5: Solve for x
    x = 12,089,852,185,130.66/4,016,666.31
  6. Step 6: Final answer
    x = 3,009,921.97

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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.