Home / 3,422,349.51-5,138,570.70-1,908,989.25

Finding the Fourth Proportional to 3,422,349.51, 5,138,570.70 and 1,908,989.25

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Solution

The fourth proportional to 3,422,349.51, 5,138,570.70 and 1,908,989.25 is: 2,866,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,349.51 : 5,138,570.70 = 1,908,989.25 : x
  2. Step 2: Convert to fraction form
    3,422,349.51/5,138,570.70 = 1,908,989.25/x
  3. Step 3: Cross multiply
    3,422,349.51x = 5,138,570.70 × 1,908,989.25
  4. Step 4: Simplify right side
    3,422,349.51x = 9,809,476,226,664.98
  5. Step 5: Solve for x
    x = 9,809,476,226,664.98/3,422,349.51
  6. Step 6: Final answer
    x = 2,866,298.78

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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.