Home / 2,087,910.28-2,881,268.58-1,216,690.48

Finding the Fourth Proportional to 2,087,910.28, 2,881,268.58 and 1,216,690.48

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Solution

The fourth proportional to 2,087,910.28, 2,881,268.58 and 1,216,690.48 is: 1,679,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,910.28 : 2,881,268.58 = 1,216,690.48 : x
  2. Step 2: Convert to fraction form
    2,087,910.28/2,881,268.58 = 1,216,690.48/x
  3. Step 3: Cross multiply
    2,087,910.28x = 2,881,268.58 × 1,216,690.48
  4. Step 4: Simplify right side
    2,087,910.28x = 3,505,612,051,609.12
  5. Step 5: Solve for x
    x = 3,505,612,051,609.12/2,087,910.28
  6. Step 6: Final answer
    x = 1,679,005.12

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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.