Home / 2,660,814.90-3,990,833.55-767,358.90

Finding the Fourth Proportional to 2,660,814.90, 3,990,833.55 and 767,358.90

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Solution

The fourth proportional to 2,660,814.90, 3,990,833.55 and 767,358.90 is: 1,150,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,814.90 : 3,990,833.55 = 767,358.90 : x
  2. Step 2: Convert to fraction form
    2,660,814.90/3,990,833.55 = 767,358.90/x
  3. Step 3: Cross multiply
    2,660,814.90x = 3,990,833.55 × 767,358.90
  4. Step 4: Simplify right side
    2,660,814.90x = 3,062,401,643,011.10
  5. Step 5: Solve for x
    x = 3,062,401,643,011.10/2,660,814.90
  6. Step 6: Final answer
    x = 1,150,926.22

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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.