Home / 2,951,810-4,427,637.20-821,808.08

Finding the Fourth Proportional to 2,951,810, 4,427,637.20 and 821,808.08

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Solution

The fourth proportional to 2,951,810, 4,427,637.20 and 821,808.08 is: 1,232,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951,810 : 4,427,637.20 = 821,808.08 : x
  2. Step 2: Convert to fraction form
    2,951,810/4,427,637.20 = 821,808.08/x
  3. Step 3: Cross multiply
    2,951,810x = 4,427,637.20 × 821,808.08
  4. Step 4: Simplify right side
    2,951,810x = 3,638,668,026,268.58
  5. Step 5: Solve for x
    x = 3,638,668,026,268.58/2,951,810
  6. Step 6: Final answer
    x = 1,232,690.46

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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.