Home / 3,939,331.20-5,905,497.60-2,592,139.20

Finding the Fourth Proportional to 3,939,331.20, 5,905,497.60 and 2,592,139.20

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Solution

The fourth proportional to 3,939,331.20, 5,905,497.60 and 2,592,139.20 is: 3,885,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,331.20 : 5,905,497.60 = 2,592,139.20 : x
  2. Step 2: Convert to fraction form
    3,939,331.20/5,905,497.60 = 2,592,139.20/x
  3. Step 3: Cross multiply
    3,939,331.20x = 5,905,497.60 × 2,592,139.20
  4. Step 4: Simplify right side
    3,939,331.20x = 15,307,871,824,465.92
  5. Step 5: Solve for x
    x = 15,307,871,824,465.92/3,939,331.20
  6. Step 6: Final answer
    x = 3,885,906.27

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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.