Home / 3,724,611.92-5,139,798.72-2,176,017.20

Finding the Fourth Proportional to 3,724,611.92, 5,139,798.72 and 2,176,017.20

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Solution

The fourth proportional to 3,724,611.92, 5,139,798.72 and 2,176,017.20 is: 3,002,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724,611.92 : 5,139,798.72 = 2,176,017.20 : x
  2. Step 2: Convert to fraction form
    3,724,611.92/5,139,798.72 = 2,176,017.20/x
  3. Step 3: Cross multiply
    3,724,611.92x = 5,139,798.72 × 2,176,017.20
  4. Step 4: Simplify right side
    3,724,611.92x = 11,184,290,419,257.98
  5. Step 5: Solve for x
    x = 11,184,290,419,257.98/3,724,611.92
  6. Step 6: Final answer
    x = 3,002,806.91

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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.