Home / 1,998,268.47-2,998,386.87-933,155.73

Finding the Fourth Proportional to 1,998,268.47, 2,998,386.87 and 933,155.73

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Solution

The fourth proportional to 1,998,268.47, 2,998,386.87 and 933,155.73 is: 1,400,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,268.47 : 2,998,386.87 = 933,155.73 : x
  2. Step 2: Convert to fraction form
    1,998,268.47/2,998,386.87 = 933,155.73/x
  3. Step 3: Cross multiply
    1,998,268.47x = 2,998,386.87 × 933,155.73
  4. Step 4: Simplify right side
    1,998,268.47x = 2,797,961,888,497.27
  5. Step 5: Solve for x
    x = 2,797,961,888,497.27/1,998,268.47
  6. Step 6: Final answer
    x = 1,400,193.18

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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.