Home / 5,280,568.64-7,287,198.72-2,866,120.64

Finding the Fourth Proportional to 5,280,568.64, 7,287,198.72 and 2,866,120.64

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Solution

The fourth proportional to 5,280,568.64, 7,287,198.72 and 2,866,120.64 is: 3,955,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,568.64 : 7,287,198.72 = 2,866,120.64 : x
  2. Step 2: Convert to fraction form
    5,280,568.64/7,287,198.72 = 2,866,120.64/x
  3. Step 3: Cross multiply
    5,280,568.64x = 7,287,198.72 × 2,866,120.64
  4. Step 4: Simplify right side
    5,280,568.64x = 20,885,990,659,173.58
  5. Step 5: Solve for x
    x = 20,885,990,659,173.58/5,280,568.64
  6. Step 6: Final answer
    x = 3,955,254.08

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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.