Home / 3,509,971.20-5,264,956.80-2,091,628.80

Finding the Fourth Proportional to 3,509,971.20, 5,264,956.80 and 2,091,628.80

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Solution

The fourth proportional to 3,509,971.20, 5,264,956.80 and 2,091,628.80 is: 3,137,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,971.20 : 5,264,956.80 = 2,091,628.80 : x
  2. Step 2: Convert to fraction form
    3,509,971.20/5,264,956.80 = 2,091,628.80/x
  3. Step 3: Cross multiply
    3,509,971.20x = 5,264,956.80 × 2,091,628.80
  4. Step 4: Simplify right side
    3,509,971.20x = 11,012,335,273,635.84
  5. Step 5: Solve for x
    x = 11,012,335,273,635.84/3,509,971.20
  6. Step 6: Final answer
    x = 3,137,443.20

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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.