Home / 4,788,590.40-7,183,231.20-2,891,246.40

Finding the Fourth Proportional to 4,788,590.40, 7,183,231.20 and 2,891,246.40

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Solution

The fourth proportional to 4,788,590.40, 7,183,231.20 and 2,891,246.40 is: 4,337,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,590.40 : 7,183,231.20 = 2,891,246.40 : x
  2. Step 2: Convert to fraction form
    4,788,590.40/7,183,231.20 = 2,891,246.40/x
  3. Step 3: Cross multiply
    4,788,590.40x = 7,183,231.20 × 2,891,246.40
  4. Step 4: Simplify right side
    4,788,590.40x = 20,768,491,347,367.68
  5. Step 5: Solve for x
    x = 20,768,491,347,367.68/4,788,590.40
  6. Step 6: Final answer
    x = 4,337,078.27

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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.