Home / 5,120,918.49-7,683,443.30-2,279,087.01

Finding the Fourth Proportional to 5,120,918.49, 7,683,443.30 and 2,279,087.01

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Solution

The fourth proportional to 5,120,918.49, 7,683,443.30 and 2,279,087.01 is: 3,419,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,918.49 : 7,683,443.30 = 2,279,087.01 : x
  2. Step 2: Convert to fraction form
    5,120,918.49/7,683,443.30 = 2,279,087.01/x
  3. Step 3: Cross multiply
    5,120,918.49x = 7,683,443.30 × 2,279,087.01
  4. Step 4: Simplify right side
    5,120,918.49x = 17,511,235,805,706.10
  5. Step 5: Solve for x
    x = 17,511,235,805,706.10/5,120,918.49
  6. Step 6: Final answer
    x = 3,419,549.80

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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.