Home / 2,489,619.08-3,436,001.72-1,402,103.25

Finding the Fourth Proportional to 2,489,619.08, 3,436,001.72 and 1,402,103.25

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Solution

The fourth proportional to 2,489,619.08, 3,436,001.72 and 1,402,103.25 is: 1,935,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,619.08 : 3,436,001.72 = 1,402,103.25 : x
  2. Step 2: Convert to fraction form
    2,489,619.08/3,436,001.72 = 1,402,103.25/x
  3. Step 3: Cross multiply
    2,489,619.08x = 3,436,001.72 × 1,402,103.25
  4. Step 4: Simplify right side
    2,489,619.08x = 4,817,629,171,607.07
  5. Step 5: Solve for x
    x = 4,817,629,171,607.07/2,489,619.08
  6. Step 6: Final answer
    x = 1,935,086.87

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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.