Home / 3,789,831.28-5,685,639.30-1,231,038.22

Finding the Fourth Proportional to 3,789,831.28, 5,685,639.30 and 1,231,038.22

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Solution

The fourth proportional to 3,789,831.28, 5,685,639.30 and 1,231,038.22 is: 1,846,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,831.28 : 5,685,639.30 = 1,231,038.22 : x
  2. Step 2: Convert to fraction form
    3,789,831.28/5,685,639.30 = 1,231,038.22/x
  3. Step 3: Cross multiply
    3,789,831.28x = 5,685,639.30 × 1,231,038.22
  4. Step 4: Simplify right side
    3,789,831.28x = 6,999,239,283,434.05
  5. Step 5: Solve for x
    x = 6,999,239,283,434.05/3,789,831.28
  6. Step 6: Final answer
    x = 1,846,847.20

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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.