Home / 3,218,814.60-4,828,221.90-1,449,342.60

Finding the Fourth Proportional to 3,218,814.60, 4,828,221.90 and 1,449,342.60

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Solution

The fourth proportional to 3,218,814.60, 4,828,221.90 and 1,449,342.60 is: 2,174,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,814.60 : 4,828,221.90 = 1,449,342.60 : x
  2. Step 2: Convert to fraction form
    3,218,814.60/4,828,221.90 = 1,449,342.60/x
  3. Step 3: Cross multiply
    3,218,814.60x = 4,828,221.90 × 1,449,342.60
  4. Step 4: Simplify right side
    3,218,814.60x = 6,997,747,681,922.94
  5. Step 5: Solve for x
    x = 6,997,747,681,922.94/3,218,814.60
  6. Step 6: Final answer
    x = 2,174,013.90

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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.