Home / 3,977,415.82-5,967,638.51-1,384,008.72

Finding the Fourth Proportional to 3,977,415.82, 5,967,638.51 and 1,384,008.72

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Solution

The fourth proportional to 3,977,415.82, 5,967,638.51 and 1,384,008.72 is: 2,076,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,415.82 : 5,967,638.51 = 1,384,008.72 : x
  2. Step 2: Convert to fraction form
    3,977,415.82/5,967,638.51 = 1,384,008.72/x
  3. Step 3: Cross multiply
    3,977,415.82x = 5,967,638.51 × 1,384,008.72
  4. Step 4: Simplify right side
    3,977,415.82x = 8,259,263,735,647.81
  5. Step 5: Solve for x
    x = 8,259,263,735,647.81/3,977,415.82
  6. Step 6: Final answer
    x = 2,076,540.17

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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.