Home / 3,808,581.11-5,255,825.69-2,089,664.72

Finding the Fourth Proportional to 3,808,581.11, 5,255,825.69 and 2,089,664.72

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Solution

The fourth proportional to 3,808,581.11, 5,255,825.69 and 2,089,664.72 is: 2,883,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,581.11 : 5,255,825.69 = 2,089,664.72 : x
  2. Step 2: Convert to fraction form
    3,808,581.11/5,255,825.69 = 2,089,664.72/x
  3. Step 3: Cross multiply
    3,808,581.11x = 5,255,825.69 × 2,089,664.72
  4. Step 4: Simplify right side
    3,808,581.11x = 10,982,913,482,135.21
  5. Step 5: Solve for x
    x = 10,982,913,482,135.21/3,808,581.11
  6. Step 6: Final answer
    x = 2,883,728.40

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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.