Home / 4,789,717.20-7,184,575.80-1,423,486.80

Finding the Fourth Proportional to 4,789,717.20, 7,184,575.80 and 1,423,486.80

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Solution

The fourth proportional to 4,789,717.20, 7,184,575.80 and 1,423,486.80 is: 2,135,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789,717.20 : 7,184,575.80 = 1,423,486.80 : x
  2. Step 2: Convert to fraction form
    4,789,717.20/7,184,575.80 = 1,423,486.80/x
  3. Step 3: Cross multiply
    4,789,717.20x = 7,184,575.80 × 1,423,486.80
  4. Step 4: Simplify right side
    4,789,717.20x = 10,227,148,814,899.44
  5. Step 5: Solve for x
    x = 10,227,148,814,899.44/4,789,717.20
  6. Step 6: Final answer
    x = 2,135,230.20

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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.