Home / 6,218,487.86-8,583,360.82-3,928,173.98

Finding the Fourth Proportional to 6,218,487.86, 8,583,360.82 and 3,928,173.98

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Solution

The fourth proportional to 6,218,487.86, 8,583,360.82 and 3,928,173.98 is: 5,422,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218,487.86 : 8,583,360.82 = 3,928,173.98 : x
  2. Step 2: Convert to fraction form
    6,218,487.86/8,583,360.82 = 3,928,173.98/x
  3. Step 3: Cross multiply
    6,218,487.86x = 8,583,360.82 × 3,928,173.98
  4. Step 4: Simplify right side
    6,218,487.86x = 33,716,934,581,338.23
  5. Step 5: Solve for x
    x = 33,716,934,581,338.23/6,218,487.86
  6. Step 6: Final answer
    x = 5,422,047.19

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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.