Home / 3,109,377.12-4,664,065.68-1,778,748

Finding the Fourth Proportional to 3,109,377.12, 4,664,065.68 and 1,778,748

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Solution

The fourth proportional to 3,109,377.12, 4,664,065.68 and 1,778,748 is: 2,668,122

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,377.12 : 4,664,065.68 = 1,778,748 : x
  2. Step 2: Convert to fraction form
    3,109,377.12/4,664,065.68 = 1,778,748/x
  3. Step 3: Cross multiply
    3,109,377.12x = 4,664,065.68 × 1,778,748
  4. Step 4: Simplify right side
    3,109,377.12x = 8,296,197,500,168.64
  5. Step 5: Solve for x
    x = 8,296,197,500,168.64/3,109,377.12
  6. Step 6: Final answer
    x = 2,668,122

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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.