Home / 3,559,755.21-4,912,462.37-1,928,163.15

Finding the Fourth Proportional to 3,559,755.21, 4,912,462.37 and 1,928,163.15

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Solution

The fourth proportional to 3,559,755.21, 4,912,462.37 and 1,928,163.15 is: 2,660,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,755.21 : 4,912,462.37 = 1,928,163.15 : x
  2. Step 2: Convert to fraction form
    3,559,755.21/4,912,462.37 = 1,928,163.15/x
  3. Step 3: Cross multiply
    3,559,755.21x = 4,912,462.37 × 1,928,163.15
  4. Step 4: Simplify right side
    3,559,755.21x = 9,472,028,922,416.07
  5. Step 5: Solve for x
    x = 9,472,028,922,416.07/3,559,755.21
  6. Step 6: Final answer
    x = 2,660,865.25

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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.