Home / 3,928,113.88-5,886,795.12-2,967,780.04

Finding the Fourth Proportional to 3,928,113.88, 5,886,795.12 and 2,967,780.04

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Solution

The fourth proportional to 3,928,113.88, 5,886,795.12 and 2,967,780.04 is: 4,447,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,113.88 : 5,886,795.12 = 2,967,780.04 : x
  2. Step 2: Convert to fraction form
    3,928,113.88/5,886,795.12 = 2,967,780.04/x
  3. Step 3: Cross multiply
    3,928,113.88x = 5,886,795.12 × 2,967,780.04
  4. Step 4: Simplify right side
    3,928,113.88x = 17,470,713,056,705.41
  5. Step 5: Solve for x
    x = 17,470,713,056,705.41/3,928,113.88
  6. Step 6: Final answer
    x = 4,447,608.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.