Home / 2,192,903.63-3,025,403.88-1,321,930.88

Finding the Fourth Proportional to 2,192,903.63, 3,025,403.88 and 1,321,930.88

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Solution

The fourth proportional to 2,192,903.63, 3,025,403.88 and 1,321,930.88 is: 1,823,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,903.63 : 3,025,403.88 = 1,321,930.88 : x
  2. Step 2: Convert to fraction form
    2,192,903.63/3,025,403.88 = 1,321,930.88/x
  3. Step 3: Cross multiply
    2,192,903.63x = 3,025,403.88 × 1,321,930.88
  4. Step 4: Simplify right side
    2,192,903.63x = 3,999,374,813,443.81
  5. Step 5: Solve for x
    x = 3,999,374,813,443.81/2,192,903.63
  6. Step 6: Final answer
    x = 1,823,780.47

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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.