Home / 2,728,984.60-4,095,809.70-1,214,997.40

Finding the Fourth Proportional to 2,728,984.60, 4,095,809.70 and 1,214,997.40

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Solution

The fourth proportional to 2,728,984.60, 4,095,809.70 and 1,214,997.40 is: 1,823,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,984.60 : 4,095,809.70 = 1,214,997.40 : x
  2. Step 2: Convert to fraction form
    2,728,984.60/4,095,809.70 = 1,214,997.40/x
  3. Step 3: Cross multiply
    2,728,984.60x = 4,095,809.70 × 1,214,997.40
  4. Step 4: Simplify right side
    2,728,984.60x = 4,976,398,136,394.78
  5. Step 5: Solve for x
    x = 4,976,398,136,394.78/2,728,984.60
  6. Step 6: Final answer
    x = 1,823,534.71

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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.