Home / 4,720,103.12-7,073,457.72-3,636,516.56

Finding the Fourth Proportional to 4,720,103.12, 7,073,457.72 and 3,636,516.56

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Solution

The fourth proportional to 4,720,103.12, 7,073,457.72 and 3,636,516.56 is: 5,449,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,103.12 : 7,073,457.72 = 3,636,516.56 : x
  2. Step 2: Convert to fraction form
    4,720,103.12/7,073,457.72 = 3,636,516.56/x
  3. Step 3: Cross multiply
    4,720,103.12x = 7,073,457.72 × 3,636,516.56
  4. Step 4: Simplify right side
    4,720,103.12x = 25,722,746,135,239.84
  5. Step 5: Solve for x
    x = 25,722,746,135,239.84/4,720,103.12
  6. Step 6: Final answer
    x = 5,449,615.29

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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.