Home / 1,940,998.72-2,901,242-1,686,256.96

Finding the Fourth Proportional to 1,940,998.72, 2,901,242 and 1,686,256.96

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Solution

The fourth proportional to 1,940,998.72, 2,901,242 and 1,686,256.96 is: 2,520,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,998.72 : 2,901,242 = 1,686,256.96 : x
  2. Step 2: Convert to fraction form
    1,940,998.72/2,901,242 = 1,686,256.96/x
  3. Step 3: Cross multiply
    1,940,998.72x = 2,901,242 × 1,686,256.96
  4. Step 4: Simplify right side
    1,940,998.72x = 4,892,239,515,144.32
  5. Step 5: Solve for x
    x = 4,892,239,515,144.32/1,940,998.72
  6. Step 6: Final answer
    x = 2,520,475.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.