Home / 1,511,986.77-2,268,312.08-1,111,413.12

Finding the Fourth Proportional to 1,511,986.77, 2,268,312.08 and 1,111,413.12

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Solution

The fourth proportional to 1,511,986.77, 2,268,312.08 and 1,111,413.12 is: 1,667,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,986.77 : 2,268,312.08 = 1,111,413.12 : x
  2. Step 2: Convert to fraction form
    1,511,986.77/2,268,312.08 = 1,111,413.12/x
  3. Step 3: Cross multiply
    1,511,986.77x = 2,268,312.08 × 1,111,413.12
  4. Step 4: Simplify right side
    1,511,986.77x = 2,521,031,791,903.25
  5. Step 5: Solve for x
    x = 2,521,031,791,903.25/1,511,986.77
  6. Step 6: Final answer
    x = 1,667,363.66

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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.