Home / 5,258,649.78-7,867,220.31-3,982,932.18

Finding the Fourth Proportional to 5,258,649.78, 7,867,220.31 and 3,982,932.18

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Solution

The fourth proportional to 5,258,649.78, 7,867,220.31 and 3,982,932.18 is: 5,958,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,649.78 : 7,867,220.31 = 3,982,932.18 : x
  2. Step 2: Convert to fraction form
    5,258,649.78/7,867,220.31 = 3,982,932.18/x
  3. Step 3: Cross multiply
    5,258,649.78x = 7,867,220.31 × 3,982,932.18
  4. Step 4: Simplify right side
    5,258,649.78x = 31,334,604,939,848.57
  5. Step 5: Solve for x
    x = 31,334,604,939,848.57/5,258,649.78
  6. Step 6: Final answer
    x = 5,958,678.80

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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.