Home / 2,120,174.88-3,178,997.91-1,437,902.16

Finding the Fourth Proportional to 2,120,174.88, 3,178,997.91 and 1,437,902.16

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Solution

The fourth proportional to 2,120,174.88, 3,178,997.91 and 1,437,902.16 is: 2,155,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,174.88 : 3,178,997.91 = 1,437,902.16 : x
  2. Step 2: Convert to fraction form
    2,120,174.88/3,178,997.91 = 1,437,902.16/x
  3. Step 3: Cross multiply
    2,120,174.88x = 3,178,997.91 × 1,437,902.16
  4. Step 4: Simplify right side
    2,120,174.88x = 4,571,087,961,424.49
  5. Step 5: Solve for x
    x = 4,571,087,961,424.49/2,120,174.88
  6. Step 6: Final answer
    x = 2,155,995.72

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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.