Home / 6,474,778.80-9,715,667.40-2,881,100.40

Finding the Fourth Proportional to 6,474,778.80, 9,715,667.40 and 2,881,100.40

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Solution

The fourth proportional to 6,474,778.80, 9,715,667.40 and 2,881,100.40 is: 4,323,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,778.80 : 9,715,667.40 = 2,881,100.40 : x
  2. Step 2: Convert to fraction form
    6,474,778.80/9,715,667.40 = 2,881,100.40/x
  3. Step 3: Cross multiply
    6,474,778.80x = 9,715,667.40 × 2,881,100.40
  4. Step 4: Simplify right side
    6,474,778.80x = 27,991,813,232,406.96
  5. Step 5: Solve for x
    x = 27,991,813,232,406.96/6,474,778.80
  6. Step 6: Final answer
    x = 4,323,207.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.