Home / 5,205,831.89-7,809,474.41-2,172,502.44

Finding the Fourth Proportional to 5,205,831.89, 7,809,474.41 and 2,172,502.44

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Solution

The fourth proportional to 5,205,831.89, 7,809,474.41 and 2,172,502.44 is: 3,259,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,831.89 : 7,809,474.41 = 2,172,502.44 : x
  2. Step 2: Convert to fraction form
    5,205,831.89/7,809,474.41 = 2,172,502.44/x
  3. Step 3: Cross multiply
    5,205,831.89x = 7,809,474.41 × 2,172,502.44
  4. Step 4: Simplify right side
    5,205,831.89x = 16,966,102,216,273.81
  5. Step 5: Solve for x
    x = 16,966,102,216,273.81/5,205,831.89
  6. Step 6: Final answer
    x = 3,259,056.88

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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.