Home / 2,660,512.40-3,990,120.60-767,056.40

Finding the Fourth Proportional to 2,660,512.40, 3,990,120.60 and 767,056.40

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Solution

The fourth proportional to 2,660,512.40, 3,990,120.60 and 767,056.40 is: 1,150,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,512.40 : 3,990,120.60 = 767,056.40 : x
  2. Step 2: Convert to fraction form
    2,660,512.40/3,990,120.60 = 767,056.40/x
  3. Step 3: Cross multiply
    2,660,512.40x = 3,990,120.60 × 767,056.40
  4. Step 4: Simplify right side
    2,660,512.40x = 3,060,647,543,001.84
  5. Step 5: Solve for x
    x = 3,060,647,543,001.84/2,660,512.40
  6. Step 6: Final answer
    x = 1,150,397.77

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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.