Home / 6,321,086.10-8,723,038.05-3,420,413.46

Finding the Fourth Proportional to 6,321,086.10, 8,723,038.05 and 3,420,413.46

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Solution

The fourth proportional to 6,321,086.10, 8,723,038.05 and 3,420,413.46 is: 4,720,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,086.10 : 8,723,038.05 = 3,420,413.46 : x
  2. Step 2: Convert to fraction form
    6,321,086.10/8,723,038.05 = 3,420,413.46/x
  3. Step 3: Cross multiply
    6,321,086.10x = 8,723,038.05 × 3,420,413.46
  4. Step 4: Simplify right side
    6,321,086.10x = 29,836,396,758,312.16
  5. Step 5: Solve for x
    x = 29,836,396,758,312.16/6,321,086.10
  6. Step 6: Final answer
    x = 4,720,137.69

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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.