Home / 4,016,667.31-5,542,983.35-2,181,110.78

Finding the Fourth Proportional to 4,016,667.31, 5,542,983.35 and 2,181,110.78

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Solution

The fourth proportional to 4,016,667.31, 5,542,983.35 and 2,181,110.78 is: 3,009,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016,667.31 : 5,542,983.35 = 2,181,110.78 : x
  2. Step 2: Convert to fraction form
    4,016,667.31/5,542,983.35 = 2,181,110.78/x
  3. Step 3: Cross multiply
    4,016,667.31x = 5,542,983.35 × 2,181,110.78
  4. Step 4: Simplify right side
    4,016,667.31x = 12,089,860,738,045.51
  5. Step 5: Solve for x
    x = 12,089,860,738,045.51/4,016,667.31
  6. Step 6: Final answer
    x = 3,009,923.35

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1.5x scale

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.