Home / 3,393,831.42-4,683,210.38-1,998,172.78

Finding the Fourth Proportional to 3,393,831.42, 4,683,210.38 and 1,998,172.78

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Solution

The fourth proportional to 3,393,831.42, 4,683,210.38 and 1,998,172.78 is: 2,757,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,831.42 : 4,683,210.38 = 1,998,172.78 : x
  2. Step 2: Convert to fraction form
    3,393,831.42/4,683,210.38 = 1,998,172.78/x
  3. Step 3: Cross multiply
    3,393,831.42x = 4,683,210.38 × 1,998,172.78
  4. Step 4: Simplify right side
    3,393,831.42x = 9,357,863,504,329.46
  5. Step 5: Solve for x
    x = 9,357,863,504,329.46/3,393,831.42
  6. Step 6: Final answer
    x = 2,757,315.36

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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.