Home / 3,586,939.20-5,380,408.80-2,642,155.20

Finding the Fourth Proportional to 3,586,939.20, 5,380,408.80 and 2,642,155.20

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Solution

The fourth proportional to 3,586,939.20, 5,380,408.80 and 2,642,155.20 is: 3,963,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,939.20 : 5,380,408.80 = 2,642,155.20 : x
  2. Step 2: Convert to fraction form
    3,586,939.20/5,380,408.80 = 2,642,155.20/x
  3. Step 3: Cross multiply
    3,586,939.20x = 5,380,408.80 × 2,642,155.20
  4. Step 4: Simplify right side
    3,586,939.20x = 14,215,875,089,045.76
  5. Step 5: Solve for x
    x = 14,215,875,089,045.76/3,586,939.20
  6. Step 6: Final answer
    x = 3,963,232.80

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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.