Home / 2,672,714.80-4,009,072.20-1,664,945.20

Finding the Fourth Proportional to 2,672,714.80, 4,009,072.20 and 1,664,945.20

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Solution

The fourth proportional to 2,672,714.80, 4,009,072.20 and 1,664,945.20 is: 2,497,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,714.80 : 4,009,072.20 = 1,664,945.20 : x
  2. Step 2: Convert to fraction form
    2,672,714.80/4,009,072.20 = 1,664,945.20/x
  3. Step 3: Cross multiply
    2,672,714.80x = 4,009,072.20 × 1,664,945.20
  4. Step 4: Simplify right side
    2,672,714.80x = 6,674,885,515,843.44
  5. Step 5: Solve for x
    x = 6,674,885,515,843.44/2,672,714.80
  6. Step 6: Final answer
    x = 2,497,417.80

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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.