Home / 6,945,548.80-10,418,717.04-2,153,919.28

Finding the Fourth Proportional to 6,945,548.80, 10,418,717.04 and 2,153,919.28

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Solution

The fourth proportional to 6,945,548.80, 10,418,717.04 and 2,153,919.28 is: 3,231,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,548.80 : 10,418,717.04 = 2,153,919.28 : x
  2. Step 2: Convert to fraction form
    6,945,548.80/10,418,717.04 = 2,153,919.28/x
  3. Step 3: Cross multiply
    6,945,548.80x = 10,418,717.04 × 2,153,919.28
  4. Step 4: Simplify right side
    6,945,548.80x = 22,441,075,505,320.53
  5. Step 5: Solve for x
    x = 22,441,075,505,320.53/6,945,548.80
  6. Step 6: Final answer
    x = 3,231,001.06

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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.