Home / 1,998,278.38-2,998,401.66-933,165.64

Finding the Fourth Proportional to 1,998,278.38, 2,998,401.66 and 933,165.64

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Solution

The fourth proportional to 1,998,278.38, 2,998,401.66 and 933,165.64 is: 1,400,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,278.38 : 2,998,401.66 = 933,165.64 : x
  2. Step 2: Convert to fraction form
    1,998,278.38/2,998,401.66 = 933,165.64/x
  3. Step 3: Cross multiply
    1,998,278.38x = 2,998,401.66 × 933,165.64
  4. Step 4: Simplify right side
    1,998,278.38x = 2,798,005,404,030.96
  5. Step 5: Solve for x
    x = 2,798,005,404,030.96/1,998,278.38
  6. Step 6: Final answer
    x = 1,400,208.02

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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.