Home / 6,385,806.45-8,812,437.32-3,485,261.25

Finding the Fourth Proportional to 6,385,806.45, 8,812,437.32 and 3,485,261.25

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Solution

The fourth proportional to 6,385,806.45, 8,812,437.32 and 3,485,261.25 is: 4,809,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,806.45 : 8,812,437.32 = 3,485,261.25 : x
  2. Step 2: Convert to fraction form
    6,385,806.45/8,812,437.32 = 3,485,261.25/x
  3. Step 3: Cross multiply
    6,385,806.45x = 8,812,437.32 × 3,485,261.25
  4. Step 4: Simplify right side
    6,385,806.45x = 30,713,646,318,163.00
  5. Step 5: Solve for x
    x = 30,713,646,318,163.00/6,385,806.45
  6. Step 6: Final answer
    x = 4,809,673.85

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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.