Home / 3,416,021.61-4,714,109.58-1,867,289.79

Finding the Fourth Proportional to 3,416,021.61, 4,714,109.58 and 1,867,289.79

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Solution

The fourth proportional to 3,416,021.61, 4,714,109.58 and 1,867,289.79 is: 2,576,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,021.61 : 4,714,109.58 = 1,867,289.79 : x
  2. Step 2: Convert to fraction form
    3,416,021.61/4,714,109.58 = 1,867,289.79/x
  3. Step 3: Cross multiply
    3,416,021.61x = 4,714,109.58 × 1,867,289.79
  4. Step 4: Simplify right side
    3,416,021.61x = 8,802,608,687,675.19
  5. Step 5: Solve for x
    x = 8,802,608,687,675.19/3,416,021.61
  6. Step 6: Final answer
    x = 2,576,859.78

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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.