Home / 3,855,931.70-5,318,083.04-3,389,788.90

Finding the Fourth Proportional to 3,855,931.70, 5,318,083.04 and 3,389,788.90

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Solution

The fourth proportional to 3,855,931.70, 5,318,083.04 and 3,389,788.90 is: 4,675,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,931.70 : 5,318,083.04 = 3,389,788.90 : x
  2. Step 2: Convert to fraction form
    3,855,931.70/5,318,083.04 = 3,389,788.90/x
  3. Step 3: Cross multiply
    3,855,931.70x = 5,318,083.04 × 3,389,788.90
  4. Step 4: Simplify right side
    3,855,931.70x = 18,027,178,814,730.90
  5. Step 5: Solve for x
    x = 18,027,178,814,730.90/3,855,931.70
  6. Step 6: Final answer
    x = 4,675,181.05

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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.