Home / 3,456,128.20-5,190,413.10-2,510,566.60

Finding the Fourth Proportional to 3,456,128.20, 5,190,413.10 and 2,510,566.60

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Solution

The fourth proportional to 3,456,128.20, 5,190,413.10 and 2,510,566.60 is: 3,770,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,128.20 : 5,190,413.10 = 2,510,566.60 : x
  2. Step 2: Convert to fraction form
    3,456,128.20/5,190,413.10 = 2,510,566.60/x
  3. Step 3: Cross multiply
    3,456,128.20x = 5,190,413.10 × 2,510,566.60
  4. Step 4: Simplify right side
    3,456,128.20x = 13,030,877,769,062.46
  5. Step 5: Solve for x
    x = 13,030,877,769,062.46/3,456,128.20
  6. Step 6: Final answer
    x = 3,770,368.75

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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.