Home / 2,379,666.64-3,283,939.92-1,291,938.16

Finding the Fourth Proportional to 2,379,666.64, 3,283,939.92 and 1,291,938.16

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Solution

The fourth proportional to 2,379,666.64, 3,283,939.92 and 1,291,938.16 is: 1,782,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,666.64 : 3,283,939.92 = 1,291,938.16 : x
  2. Step 2: Convert to fraction form
    2,379,666.64/3,283,939.92 = 1,291,938.16/x
  3. Step 3: Cross multiply
    2,379,666.64x = 3,283,939.92 × 1,291,938.16
  4. Step 4: Simplify right side
    2,379,666.64x = 4,242,647,297,795.35
  5. Step 5: Solve for x
    x = 4,242,647,297,795.35/2,379,666.64
  6. Step 6: Final answer
    x = 1,782,874.64

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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.