Home / 2,897,673.32-3,998,589.12-1,608,412.20

Finding the Fourth Proportional to 2,897,673.32, 3,998,589.12 and 1,608,412.20

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Solution

The fourth proportional to 2,897,673.32, 3,998,589.12 and 1,608,412.20 is: 2,219,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,673.32 : 3,998,589.12 = 1,608,412.20 : x
  2. Step 2: Convert to fraction form
    2,897,673.32/3,998,589.12 = 1,608,412.20/x
  3. Step 3: Cross multiply
    2,897,673.32x = 3,998,589.12 × 1,608,412.20
  4. Step 4: Simplify right side
    2,897,673.32x = 6,431,379,523,395.26
  5. Step 5: Solve for x
    x = 6,431,379,523,395.26/2,897,673.32
  6. Step 6: Final answer
    x = 2,219,497.79

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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.