Home / 2,867,662.89-3,956,911.70-1,643,743.17

Finding the Fourth Proportional to 2,867,662.89, 3,956,911.70 and 1,643,743.17

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Solution

The fourth proportional to 2,867,662.89, 3,956,911.70 and 1,643,743.17 is: 2,268,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,662.89 : 3,956,911.70 = 1,643,743.17 : x
  2. Step 2: Convert to fraction form
    2,867,662.89/3,956,911.70 = 1,643,743.17/x
  3. Step 3: Cross multiply
    2,867,662.89x = 3,956,911.70 × 1,643,743.17
  4. Step 4: Simplify right side
    2,867,662.89x = 6,504,146,572,949.37
  5. Step 5: Solve for x
    x = 6,504,146,572,949.37/2,867,662.89
  6. Step 6: Final answer
    x = 2,268,100.13

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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.