Home / 2,686,255.80-4,029,383.70-913,327.80

Finding the Fourth Proportional to 2,686,255.80, 4,029,383.70 and 913,327.80

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Solution

The fourth proportional to 2,686,255.80, 4,029,383.70 and 913,327.80 is: 1,369,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,255.80 : 4,029,383.70 = 913,327.80 : x
  2. Step 2: Convert to fraction form
    2,686,255.80/4,029,383.70 = 913,327.80/x
  3. Step 3: Cross multiply
    2,686,255.80x = 4,029,383.70 × 913,327.80
  4. Step 4: Simplify right side
    2,686,255.80x = 3,680,148,150,076.86
  5. Step 5: Solve for x
    x = 3,680,148,150,076.86/2,686,255.80
  6. Step 6: Final answer
    x = 1,369,991.70

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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.