Home / 2,731,919.60-4,097,165.37-812,313.84

Finding the Fourth Proportional to 2,731,919.60, 4,097,165.37 and 812,313.84

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Solution

The fourth proportional to 2,731,919.60, 4,097,165.37 and 812,313.84 is: 1,218,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,919.60 : 4,097,165.37 = 812,313.84 : x
  2. Step 2: Convert to fraction form
    2,731,919.60/4,097,165.37 = 812,313.84/x
  3. Step 3: Cross multiply
    2,731,919.60x = 4,097,165.37 × 812,313.84
  4. Step 4: Simplify right side
    2,731,919.60x = 3,328,184,134,819.72
  5. Step 5: Solve for x
    x = 3,328,184,134,819.72/2,731,919.60
  6. Step 6: Final answer
    x = 1,218,258.45

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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.