Home / 3,468,087.09-4,785,861.71-1,919,413.67

Finding the Fourth Proportional to 3,468,087.09, 4,785,861.71 and 1,919,413.67

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Solution

The fourth proportional to 3,468,087.09, 4,785,861.71 and 1,919,413.67 is: 2,648,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,087.09 : 4,785,861.71 = 1,919,413.67 : x
  2. Step 2: Convert to fraction form
    3,468,087.09/4,785,861.71 = 1,919,413.67/x
  3. Step 3: Cross multiply
    3,468,087.09x = 4,785,861.71 × 1,919,413.67
  4. Step 4: Simplify right side
    3,468,087.09x = 9,186,048,369,772.80
  5. Step 5: Solve for x
    x = 9,186,048,369,772.80/3,468,087.09
  6. Step 6: Final answer
    x = 2,648,736.36

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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.