Home / 1,922,521.62-2,884,413.78-786,239.46

Finding the Fourth Proportional to 1,922,521.62, 2,884,413.78 and 786,239.46

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Solution

The fourth proportional to 1,922,521.62, 2,884,413.78 and 786,239.46 is: 1,179,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,521.62 : 2,884,413.78 = 786,239.46 : x
  2. Step 2: Convert to fraction form
    1,922,521.62/2,884,413.78 = 786,239.46/x
  3. Step 3: Cross multiply
    1,922,521.62x = 2,884,413.78 × 786,239.46
  4. Step 4: Simplify right side
    1,922,521.62x = 2,267,839,932,803.76
  5. Step 5: Solve for x
    x = 2,267,839,932,803.76/1,922,521.62
  6. Step 6: Final answer
    x = 1,179,617.39

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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.