Home / 3,939,346.56-5,436,222.24-2,220,433.92

Finding the Fourth Proportional to 3,939,346.56, 5,436,222.24 and 2,220,433.92

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Solution

The fourth proportional to 3,939,346.56, 5,436,222.24 and 2,220,433.92 is: 3,064,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,346.56 : 5,436,222.24 = 2,220,433.92 : x
  2. Step 2: Convert to fraction form
    3,939,346.56/5,436,222.24 = 2,220,433.92/x
  3. Step 3: Cross multiply
    3,939,346.56x = 5,436,222.24 × 2,220,433.92
  4. Step 4: Simplify right side
    3,939,346.56x = 12,070,772,258,354.38
  5. Step 5: Solve for x
    x = 12,070,772,258,354.38/3,939,346.56
  6. Step 6: Final answer
    x = 3,064,155.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.