Home / 3,921,742.01-5,412,135.40-2,179,484.87

Finding the Fourth Proportional to 3,921,742.01, 5,412,135.40 and 2,179,484.87

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Solution

The fourth proportional to 3,921,742.01, 5,412,135.40 and 2,179,484.87 is: 3,007,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,742.01 : 5,412,135.40 = 2,179,484.87 : x
  2. Step 2: Convert to fraction form
    3,921,742.01/5,412,135.40 = 2,179,484.87/x
  3. Step 3: Cross multiply
    3,921,742.01x = 5,412,135.40 × 2,179,484.87
  4. Step 4: Simplify right side
    3,921,742.01x = 11,795,667,186,182.01
  5. Step 5: Solve for x
    x = 11,795,667,186,182.01/3,921,742.01
  6. Step 6: Final answer
    x = 3,007,762.15

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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.