Home / 2,867,659.89-3,956,907.56-1,643,740.17

Finding the Fourth Proportional to 2,867,659.89, 3,956,907.56 and 1,643,740.17

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Solution

The fourth proportional to 2,867,659.89, 3,956,907.56 and 1,643,740.17 is: 2,268,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,659.89 : 3,956,907.56 = 1,643,740.17 : x
  2. Step 2: Convert to fraction form
    2,867,659.89/3,956,907.56 = 1,643,740.17/x
  3. Step 3: Cross multiply
    2,867,659.89x = 3,956,907.56 × 1,643,740.17
  4. Step 4: Simplify right side
    2,867,659.89x = 6,504,127,897,129.99
  5. Step 5: Solve for x
    x = 6,504,127,897,129.99/2,867,659.89
  6. Step 6: Final answer
    x = 2,268,095.99

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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.