Home / 3,920,751.62-5,410,568.98-2,178,437.06

Finding the Fourth Proportional to 3,920,751.62, 5,410,568.98 and 2,178,437.06

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Solution

The fourth proportional to 3,920,751.62, 5,410,568.98 and 2,178,437.06 is: 3,006,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,751.62 : 5,410,568.98 = 2,178,437.06 : x
  2. Step 2: Convert to fraction form
    3,920,751.62/5,410,568.98 = 2,178,437.06/x
  3. Step 3: Cross multiply
    3,920,751.62x = 5,410,568.98 × 2,178,437.06
  4. Step 4: Simplify right side
    3,920,751.62x = 11,786,583,997,967.87
  5. Step 5: Solve for x
    x = 11,786,583,997,967.87/3,920,751.62
  6. Step 6: Final answer
    x = 3,006,205.22

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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.