Home / 5,199,795.53-7,802,413.11-2,128,066.55

Finding the Fourth Proportional to 5,199,795.53, 7,802,413.11 and 2,128,066.55

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Solution

The fourth proportional to 5,199,795.53, 7,802,413.11 and 2,128,066.55 is: 3,193,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,795.53 : 7,802,413.11 = 2,128,066.55 : x
  2. Step 2: Convert to fraction form
    5,199,795.53/7,802,413.11 = 2,128,066.55/x
  3. Step 3: Cross multiply
    5,199,795.53x = 7,802,413.11 × 2,128,066.55
  4. Step 4: Simplify right side
    5,199,795.53x = 16,604,054,309,660.40
  5. Step 5: Solve for x
    x = 16,604,054,309,660.40/5,199,795.53
  6. Step 6: Final answer
    x = 3,193,212.93

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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.