Home / 2,867,656-3,956,902.08-1,643,736.16

Finding the Fourth Proportional to 2,867,656, 3,956,902.08 and 1,643,736.16

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Solution

The fourth proportional to 2,867,656, 3,956,902.08 and 1,643,736.16 is: 2,268,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,656 : 3,956,902.08 = 1,643,736.16 : x
  2. Step 2: Convert to fraction form
    2,867,656/3,956,902.08 = 1,643,736.16/x
  3. Step 3: Cross multiply
    2,867,656x = 3,956,902.08 × 1,643,736.16
  4. Step 4: Simplify right side
    2,867,656x = 6,504,103,030,475.21
  5. Step 5: Solve for x
    x = 6,504,103,030,475.21/2,867,656
  6. Step 6: Final answer
    x = 2,268,090.40

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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.