Home / 4,428,509.60-6,642,764.40-2,916,855.20

Finding the Fourth Proportional to 4,428,509.60, 6,642,764.40 and 2,916,855.20

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Solution

The fourth proportional to 4,428,509.60, 6,642,764.40 and 2,916,855.20 is: 4,375,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,509.60 : 6,642,764.40 = 2,916,855.20 : x
  2. Step 2: Convert to fraction form
    4,428,509.60/6,642,764.40 = 2,916,855.20/x
  3. Step 3: Cross multiply
    4,428,509.60x = 6,642,764.40 × 2,916,855.20
  4. Step 4: Simplify right side
    4,428,509.60x = 19,375,981,882,514.88
  5. Step 5: Solve for x
    x = 19,375,981,882,514.88/4,428,509.60
  6. Step 6: Final answer
    x = 4,375,282.80

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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.