Home / 2,561,845.63-3,843,441.43-920,688.54

Finding the Fourth Proportional to 2,561,845.63, 3,843,441.43 and 920,688.54

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Solution

The fourth proportional to 2,561,845.63, 3,843,441.43 and 920,688.54 is: 1,381,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,845.63 : 3,843,441.43 = 920,688.54 : x
  2. Step 2: Convert to fraction form
    2,561,845.63/3,843,441.43 = 920,688.54/x
  3. Step 3: Cross multiply
    2,561,845.63x = 3,843,441.43 × 920,688.54
  4. Step 4: Simplify right side
    2,561,845.63x = 3,538,612,459,545.01
  5. Step 5: Solve for x
    x = 3,538,612,459,545.01/2,561,845.63
  6. Step 6: Final answer
    x = 1,381,274.67

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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.