Home / 2,116,226.30-2,920,413.69-1,149,375.47

Finding the Fourth Proportional to 2,116,226.30, 2,920,413.69 and 1,149,375.47

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Solution

The fourth proportional to 2,116,226.30, 2,920,413.69 and 1,149,375.47 is: 1,586,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,226.30 : 2,920,413.69 = 1,149,375.47 : x
  2. Step 2: Convert to fraction form
    2,116,226.30/2,920,413.69 = 1,149,375.47/x
  3. Step 3: Cross multiply
    2,116,226.30x = 2,920,413.69 × 1,149,375.47
  4. Step 4: Simplify right side
    2,116,226.30x = 3,356,651,842,936.12
  5. Step 5: Solve for x
    x = 3,356,651,842,936.12/2,116,226.30
  6. Step 6: Final answer
    x = 1,586,149.77

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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.