Home / 3,012,831.50-4,158,310.94-1,789,816.45

Finding the Fourth Proportional to 3,012,831.50, 4,158,310.94 and 1,789,816.45

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Solution

The fourth proportional to 3,012,831.50, 4,158,310.94 and 1,789,816.45 is: 2,470,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,831.50 : 4,158,310.94 = 1,789,816.45 : x
  2. Step 2: Convert to fraction form
    3,012,831.50/4,158,310.94 = 1,789,816.45/x
  3. Step 3: Cross multiply
    3,012,831.50x = 4,158,310.94 × 1,789,816.45
  4. Step 4: Simplify right side
    3,012,831.50x = 7,442,613,324,626.96
  5. Step 5: Solve for x
    x = 7,442,613,324,626.96/3,012,831.50
  6. Step 6: Final answer
    x = 2,470,305.20

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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.