Home / 3,178,960.35-4,386,831.73-1,802,396.67

Finding the Fourth Proportional to 3,178,960.35, 4,386,831.73 and 1,802,396.67

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Solution

The fourth proportional to 3,178,960.35, 4,386,831.73 and 1,802,396.67 is: 2,487,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,960.35 : 4,386,831.73 = 1,802,396.67 : x
  2. Step 2: Convert to fraction form
    3,178,960.35/4,386,831.73 = 1,802,396.67/x
  3. Step 3: Cross multiply
    3,178,960.35x = 4,386,831.73 × 1,802,396.67
  4. Step 4: Simplify right side
    3,178,960.35x = 7,906,810,902,002.34
  5. Step 5: Solve for x
    x = 7,906,810,902,002.34/3,178,960.35
  6. Step 6: Final answer
    x = 2,487,231.68

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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.