Home / 3,886,457.20-5,821,812.60-2,201,592.40

Finding the Fourth Proportional to 3,886,457.20, 5,821,812.60 and 2,201,592.40

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Solution

The fourth proportional to 3,886,457.20, 5,821,812.60 and 2,201,592.40 is: 3,297,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,457.20 : 5,821,812.60 = 2,201,592.40 : x
  2. Step 2: Convert to fraction form
    3,886,457.20/5,821,812.60 = 2,201,592.40/x
  3. Step 3: Cross multiply
    3,886,457.20x = 5,821,812.60 × 2,201,592.40
  4. Step 4: Simplify right side
    3,886,457.20x = 12,817,258,374,384.24
  5. Step 5: Solve for x
    x = 12,817,258,374,384.24/3,886,457.20
  6. Step 6: Final answer
    x = 3,297,928.61

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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.