Home / 6,421,740.80-8,861,661.84-3,667,887.44

Finding the Fourth Proportional to 6,421,740.80, 8,861,661.84 and 3,667,887.44

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Solution

The fourth proportional to 6,421,740.80, 8,861,661.84 and 3,667,887.44 is: 5,061,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,740.80 : 8,861,661.84 = 3,667,887.44 : x
  2. Step 2: Convert to fraction form
    6,421,740.80/8,861,661.84 = 3,667,887.44/x
  3. Step 3: Cross multiply
    6,421,740.80x = 8,861,661.84 × 3,667,887.44
  4. Step 4: Simplify right side
    6,421,740.80x = 32,503,578,160,463.29
  5. Step 5: Solve for x
    x = 32,503,578,160,463.29/6,421,740.80
  6. Step 6: Final answer
    x = 5,061,490.21

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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.