Home / 3,896,139.90-5,376,657.38-2,177,259.96

Finding the Fourth Proportional to 3,896,139.90, 5,376,657.38 and 2,177,259.96

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Solution

The fourth proportional to 3,896,139.90, 5,376,657.38 and 2,177,259.96 is: 3,004,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,139.90 : 5,376,657.38 = 2,177,259.96 : x
  2. Step 2: Convert to fraction form
    3,896,139.90/5,376,657.38 = 2,177,259.96/x
  3. Step 3: Cross multiply
    3,896,139.90x = 5,376,657.38 × 2,177,259.96
  4. Step 4: Simplify right side
    3,896,139.90x = 11,706,380,821,226.21
  5. Step 5: Solve for x
    x = 11,706,380,821,226.21/3,896,139.90
  6. Step 6: Final answer
    x = 3,004,609.98

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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.