Home / 2,686,885.80-4,030,860.24-767,814.36

Finding the Fourth Proportional to 2,686,885.80, 4,030,860.24 and 767,814.36

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Solution

The fourth proportional to 2,686,885.80, 4,030,860.24 and 767,814.36 is: 1,151,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,885.80 : 4,030,860.24 = 767,814.36 : x
  2. Step 2: Convert to fraction form
    2,686,885.80/4,030,860.24 = 767,814.36/x
  3. Step 3: Cross multiply
    2,686,885.80x = 4,030,860.24 × 767,814.36
  4. Step 4: Simplify right side
    2,686,885.80x = 3,094,952,375,425.05
  5. Step 5: Solve for x
    x = 3,094,952,375,425.05/2,686,885.80
  6. Step 6: Final answer
    x = 1,151,873.43

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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.