Home / 2,652,243.62-3,978,393.21-2,123,128.13

Finding the Fourth Proportional to 2,652,243.62, 3,978,393.21 and 2,123,128.13

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Solution

The fourth proportional to 2,652,243.62, 3,978,393.21 and 2,123,128.13 is: 3,184,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,243.62 : 3,978,393.21 = 2,123,128.13 : x
  2. Step 2: Convert to fraction form
    2,652,243.62/3,978,393.21 = 2,123,128.13/x
  3. Step 3: Cross multiply
    2,652,243.62x = 3,978,393.21 × 2,123,128.13
  4. Step 4: Simplify right side
    2,652,243.62x = 8,446,638,516,460.03
  5. Step 5: Solve for x
    x = 8,446,638,516,460.03/2,652,243.62
  6. Step 6: Final answer
    x = 3,184,714.43

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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.