Home / 3,166,756.80-4,370,018.07-1,876,831.39

Finding the Fourth Proportional to 3,166,756.80, 4,370,018.07 and 1,876,831.39

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Solution

The fourth proportional to 3,166,756.80, 4,370,018.07 and 1,876,831.39 is: 2,589,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,756.80 : 4,370,018.07 = 1,876,831.39 : x
  2. Step 2: Convert to fraction form
    3,166,756.80/4,370,018.07 = 1,876,831.39/x
  3. Step 3: Cross multiply
    3,166,756.80x = 4,370,018.07 × 1,876,831.39
  4. Step 4: Simplify right side
    3,166,756.80x = 8,201,787,101,143.86
  5. Step 5: Solve for x
    x = 8,201,787,101,143.86/3,166,756.80
  6. Step 6: Final answer
    x = 2,589,964.32

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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.