Home / 2,660,573.40-3,990,212.10-767,117.40

Finding the Fourth Proportional to 2,660,573.40, 3,990,212.10 and 767,117.40

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Solution

The fourth proportional to 2,660,573.40, 3,990,212.10 and 767,117.40 is: 1,150,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,573.40 : 3,990,212.10 = 767,117.40 : x
  2. Step 2: Convert to fraction form
    2,660,573.40/3,990,212.10 = 767,117.40/x
  3. Step 3: Cross multiply
    2,660,573.40x = 3,990,212.10 × 767,117.40
  4. Step 4: Simplify right side
    2,660,573.40x = 3,060,961,131,600.54
  5. Step 5: Solve for x
    x = 3,060,961,131,600.54/2,660,573.40
  6. Step 6: Final answer
    x = 1,150,489.26

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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.