Home / 2,379,658.42-3,280,756.89-1,891,258.80

Finding the Fourth Proportional to 2,379,658.42, 3,280,756.89 and 1,891,258.80

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Solution

The fourth proportional to 2,379,658.42, 3,280,756.89 and 1,891,258.80 is: 2,607,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,658.42 : 3,280,756.89 = 1,891,258.80 : x
  2. Step 2: Convert to fraction form
    2,379,658.42/3,280,756.89 = 1,891,258.80/x
  3. Step 3: Cross multiply
    2,379,658.42x = 3,280,756.89 × 1,891,258.80
  4. Step 4: Simplify right side
    2,379,658.42x = 6,204,760,338,873.13
  5. Step 5: Solve for x
    x = 6,204,760,338,873.13/2,379,658.42
  6. Step 6: Final answer
    x = 2,607,416.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.