Home / 5,220,999.54-7,205,413.37-2,898,110.30

Finding the Fourth Proportional to 5,220,999.54, 7,205,413.37 and 2,898,110.30

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Solution

The fourth proportional to 5,220,999.54, 7,205,413.37 and 2,898,110.30 is: 3,999,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,999.54 : 7,205,413.37 = 2,898,110.30 : x
  2. Step 2: Convert to fraction form
    5,220,999.54/7,205,413.37 = 2,898,110.30/x
  3. Step 3: Cross multiply
    5,220,999.54x = 7,205,413.37 × 2,898,110.30
  4. Step 4: Simplify right side
    5,220,999.54x = 20,882,082,652,837.09
  5. Step 5: Solve for x
    x = 20,882,082,652,837.09/5,220,999.54
  6. Step 6: Final answer
    x = 3,999,633.11

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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.