Home / 1,405,115.80-2,107,673.70-1,384,120.60

Finding the Fourth Proportional to 1,405,115.80, 2,107,673.70 and 1,384,120.60

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Solution

The fourth proportional to 1,405,115.80, 2,107,673.70 and 1,384,120.60 is: 2,076,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,115.80 : 2,107,673.70 = 1,384,120.60 : x
  2. Step 2: Convert to fraction form
    1,405,115.80/2,107,673.70 = 1,384,120.60/x
  3. Step 3: Cross multiply
    1,405,115.80x = 2,107,673.70 × 1,384,120.60
  4. Step 4: Simplify right side
    1,405,115.80x = 2,917,274,586,248.22
  5. Step 5: Solve for x
    x = 2,917,274,586,248.22/1,405,115.80
  6. Step 6: Final answer
    x = 2,076,180.90

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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.