Home / 2,186,932.87-3,280,276.69-670,611.64

Finding the Fourth Proportional to 2,186,932.87, 3,280,276.69 and 670,611.64

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Solution

The fourth proportional to 2,186,932.87, 3,280,276.69 and 670,611.64 is: 1,005,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,932.87 : 3,280,276.69 = 670,611.64 : x
  2. Step 2: Convert to fraction form
    2,186,932.87/3,280,276.69 = 670,611.64/x
  3. Step 3: Cross multiply
    2,186,932.87x = 3,280,276.69 × 670,611.64
  4. Step 4: Simplify right side
    2,186,932.87x = 2,199,791,735,185.50
  5. Step 5: Solve for x
    x = 2,199,791,735,185.50/2,186,932.87
  6. Step 6: Final answer
    x = 1,005,879.86

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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.