Home / 2,752,857.70-4,129,286.55-731,413.60

Finding the Fourth Proportional to 2,752,857.70, 4,129,286.55 and 731,413.60

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Solution

The fourth proportional to 2,752,857.70, 4,129,286.55 and 731,413.60 is: 1,097,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,857.70 : 4,129,286.55 = 731,413.60 : x
  2. Step 2: Convert to fraction form
    2,752,857.70/4,129,286.55 = 731,413.60/x
  3. Step 3: Cross multiply
    2,752,857.70x = 4,129,286.55 × 731,413.60
  4. Step 4: Simplify right side
    2,752,857.70x = 3,020,216,340,967.08
  5. Step 5: Solve for x
    x = 3,020,216,340,967.08/2,752,857.70
  6. Step 6: Final answer
    x = 1,097,120.40

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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.