Home / 4,738,413.68-7,105,665.72-1,820,065.76

Finding the Fourth Proportional to 4,738,413.68, 7,105,665.72 and 1,820,065.76

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Solution

The fourth proportional to 4,738,413.68, 7,105,665.72 and 1,820,065.76 is: 2,729,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,413.68 : 7,105,665.72 = 1,820,065.76 : x
  2. Step 2: Convert to fraction form
    4,738,413.68/7,105,665.72 = 1,820,065.76/x
  3. Step 3: Cross multiply
    4,738,413.68x = 7,105,665.72 × 1,820,065.76
  4. Step 4: Simplify right side
    4,738,413.68x = 12,932,778,878,977.75
  5. Step 5: Solve for x
    x = 12,932,778,878,977.75/4,738,413.68
  6. Step 6: Final answer
    x = 2,729,347.78

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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.