Home / 4,320,808.75-6,481,129.70-1,290,228.04

Finding the Fourth Proportional to 4,320,808.75, 6,481,129.70 and 1,290,228.04

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Solution

The fourth proportional to 4,320,808.75, 6,481,129.70 and 1,290,228.04 is: 1,935,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,808.75 : 6,481,129.70 = 1,290,228.04 : x
  2. Step 2: Convert to fraction form
    4,320,808.75/6,481,129.70 = 1,290,228.04/x
  3. Step 3: Cross multiply
    4,320,808.75x = 6,481,129.70 × 1,290,228.04
  4. Step 4: Simplify right side
    4,320,808.75x = 8,362,135,273,886.24
  5. Step 5: Solve for x
    x = 8,362,135,273,886.24/4,320,808.75
  6. Step 6: Final answer
    x = 1,935,317.15

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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.