Home / 2,127,577.96-2,935,766.82-1,222,159.72

Finding the Fourth Proportional to 2,127,577.96, 2,935,766.82 and 1,222,159.72

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Solution

The fourth proportional to 2,127,577.96, 2,935,766.82 and 1,222,159.72 is: 1,686,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,577.96 : 2,935,766.82 = 1,222,159.72 : x
  2. Step 2: Convert to fraction form
    2,127,577.96/2,935,766.82 = 1,222,159.72/x
  3. Step 3: Cross multiply
    2,127,577.96x = 2,935,766.82 × 1,222,159.72
  4. Step 4: Simplify right side
    2,127,577.96x = 3,587,975,954,716.49
  5. Step 5: Solve for x
    x = 3,587,975,954,716.49/2,127,577.96
  6. Step 6: Final answer
    x = 1,686,413.39

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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.