Home / 2,951,814-4,427,643.20-821,812.08

Finding the Fourth Proportional to 2,951,814, 4,427,643.20 and 821,812.08

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Solution

The fourth proportional to 2,951,814, 4,427,643.20 and 821,812.08 is: 1,232,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951,814 : 4,427,643.20 = 821,812.08 : x
  2. Step 2: Convert to fraction form
    2,951,814/4,427,643.20 = 821,812.08/x
  3. Step 3: Cross multiply
    2,951,814x = 4,427,643.20 × 821,812.08
  4. Step 4: Simplify right side
    2,951,814x = 3,638,690,667,689.86
  5. Step 5: Solve for x
    x = 3,638,690,667,689.86/2,951,814
  6. Step 6: Final answer
    x = 1,232,696.46

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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.