Home / 2,796,413.80-4,191,855.90-1,111,268.20

Finding the Fourth Proportional to 2,796,413.80, 4,191,855.90 and 1,111,268.20

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Solution

The fourth proportional to 2,796,413.80, 4,191,855.90 and 1,111,268.20 is: 1,665,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,413.80 : 4,191,855.90 = 1,111,268.20 : x
  2. Step 2: Convert to fraction form
    2,796,413.80/4,191,855.90 = 1,111,268.20/x
  3. Step 3: Cross multiply
    2,796,413.80x = 4,191,855.90 × 1,111,268.20
  4. Step 4: Simplify right side
    2,796,413.80x = 4,658,276,160,652.38
  5. Step 5: Solve for x
    x = 4,658,276,160,652.38/2,796,413.80
  6. Step 6: Final answer
    x = 1,665,803.59

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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.