Home / 4,201,401.60-6,305,212.80-1,678,867.20

Finding the Fourth Proportional to 4,201,401.60, 6,305,212.80 and 1,678,867.20

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Solution

The fourth proportional to 4,201,401.60, 6,305,212.80 and 1,678,867.20 is: 2,519,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201,401.60 : 6,305,212.80 = 1,678,867.20 : x
  2. Step 2: Convert to fraction form
    4,201,401.60/6,305,212.80 = 1,678,867.20/x
  3. Step 3: Cross multiply
    4,201,401.60x = 6,305,212.80 × 1,678,867.20
  4. Step 4: Simplify right side
    4,201,401.60x = 10,585,614,958,940.16
  5. Step 5: Solve for x
    x = 10,585,614,958,940.16/4,201,401.60
  6. Step 6: Final answer
    x = 2,519,543.71

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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.