Home / 6,909,831.19-10,366,263.12-2,117,880.91

Finding the Fourth Proportional to 6,909,831.19, 10,366,263.12 and 2,117,880.91

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Solution

The fourth proportional to 6,909,831.19, 10,366,263.12 and 2,117,880.91 is: 3,177,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,831.19 : 10,366,263.12 = 2,117,880.91 : x
  2. Step 2: Convert to fraction form
    6,909,831.19/10,366,263.12 = 2,117,880.91/x
  3. Step 3: Cross multiply
    6,909,831.19x = 10,366,263.12 × 2,117,880.91
  4. Step 4: Simplify right side
    6,909,831.19x = 21,954,510,790,784.92
  5. Step 5: Solve for x
    x = 21,954,510,790,784.92/6,909,831.19
  6. Step 6: Final answer
    x = 3,177,286.13

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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.