Home / 5,101,443.20-7,040,310.08-2,809,603.20

Finding the Fourth Proportional to 5,101,443.20, 7,040,310.08 and 2,809,603.20

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Solution

The fourth proportional to 5,101,443.20, 7,040,310.08 and 2,809,603.20 is: 3,877,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,443.20 : 7,040,310.08 = 2,809,603.20 : x
  2. Step 2: Convert to fraction form
    5,101,443.20/7,040,310.08 = 2,809,603.20/x
  3. Step 3: Cross multiply
    5,101,443.20x = 7,040,310.08 × 2,809,603.20
  4. Step 4: Simplify right side
    5,101,443.20x = 19,780,477,729,760.26
  5. Step 5: Solve for x
    x = 19,780,477,729,760.26/5,101,443.20
  6. Step 6: Final answer
    x = 3,877,427.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.