Home / 3,485,381.80-5,228,072.70-2,767,936.45

Finding the Fourth Proportional to 3,485,381.80, 5,228,072.70 and 2,767,936.45

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Solution

The fourth proportional to 3,485,381.80, 5,228,072.70 and 2,767,936.45 is: 4,151,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,381.80 : 5,228,072.70 = 2,767,936.45 : x
  2. Step 2: Convert to fraction form
    3,485,381.80/5,228,072.70 = 2,767,936.45/x
  3. Step 3: Cross multiply
    3,485,381.80x = 5,228,072.70 × 2,767,936.45
  4. Step 4: Simplify right side
    3,485,381.80x = 14,470,972,989,579.92
  5. Step 5: Solve for x
    x = 14,470,972,989,579.92/3,485,381.80
  6. Step 6: Final answer
    x = 4,151,904.68

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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.