Home / 3,988,906.40-5,983,408.20-1,293,210.20

Finding the Fourth Proportional to 3,988,906.40, 5,983,408.20 and 1,293,210.20

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Solution

The fourth proportional to 3,988,906.40, 5,983,408.20 and 1,293,210.20 is: 1,939,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,906.40 : 5,983,408.20 = 1,293,210.20 : x
  2. Step 2: Convert to fraction form
    3,988,906.40/5,983,408.20 = 1,293,210.20/x
  3. Step 3: Cross multiply
    3,988,906.40x = 5,983,408.20 × 1,293,210.20
  4. Step 4: Simplify right side
    3,988,906.40x = 7,737,804,515,003.64
  5. Step 5: Solve for x
    x = 7,737,804,515,003.64/3,988,906.40
  6. Step 6: Final answer
    x = 1,939,831.06

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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.