Home / 3,895,920.32-5,376,489.01-2,177,113.28

Finding the Fourth Proportional to 3,895,920.32, 5,376,489.01 and 2,177,113.28

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Solution

The fourth proportional to 3,895,920.32, 5,376,489.01 and 2,177,113.28 is: 3,004,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,920.32 : 5,376,489.01 = 2,177,113.28 : x
  2. Step 2: Convert to fraction form
    3,895,920.32/5,376,489.01 = 2,177,113.28/x
  3. Step 3: Cross multiply
    3,895,920.32x = 5,376,489.01 × 2,177,113.28
  4. Step 4: Simplify right side
    3,895,920.32x = 11,705,225,591,119.82
  5. Step 5: Solve for x
    x = 11,705,225,591,119.82/3,895,920.32
  6. Step 6: Final answer
    x = 3,004,482.80

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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.