Home / 3,405,413.28-5,111,444.20-2,812,415.52

Finding the Fourth Proportional to 3,405,413.28, 5,111,444.20 and 2,812,415.52

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Solution

The fourth proportional to 3,405,413.28, 5,111,444.20 and 2,812,415.52 is: 4,221,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,413.28 : 5,111,444.20 = 2,812,415.52 : x
  2. Step 2: Convert to fraction form
    3,405,413.28/5,111,444.20 = 2,812,415.52/x
  3. Step 3: Cross multiply
    3,405,413.28x = 5,111,444.20 × 2,812,415.52
  4. Step 4: Simplify right side
    3,405,413.28x = 14,375,504,997,693.98
  5. Step 5: Solve for x
    x = 14,375,504,997,693.98/3,405,413.28
  6. Step 6: Final answer
    x = 4,221,368.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.