Home / 2,538,546.28-3,807,831.90-855,664.36

Finding the Fourth Proportional to 2,538,546.28, 3,807,831.90 and 855,664.36

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Solution

The fourth proportional to 2,538,546.28, 3,807,831.90 and 855,664.36 is: 1,283,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,546.28 : 3,807,831.90 = 855,664.36 : x
  2. Step 2: Convert to fraction form
    2,538,546.28/3,807,831.90 = 855,664.36/x
  3. Step 3: Cross multiply
    2,538,546.28x = 3,807,831.90 × 855,664.36
  4. Step 4: Simplify right side
    2,538,546.28x = 3,258,226,045,701.08
  5. Step 5: Solve for x
    x = 3,258,226,045,701.08/2,538,546.28
  6. Step 6: Final answer
    x = 1,283,500.75

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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.