Home / 1,899,672.20-2,621,516.34-1,028,499.93

Finding the Fourth Proportional to 1,899,672.20, 2,621,516.34 and 1,028,499.93

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Solution

The fourth proportional to 1,899,672.20, 2,621,516.34 and 1,028,499.93 is: 1,419,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,672.20 : 2,621,516.34 = 1,028,499.93 : x
  2. Step 2: Convert to fraction form
    1,899,672.20/2,621,516.34 = 1,028,499.93/x
  3. Step 3: Cross multiply
    1,899,672.20x = 2,621,516.34 × 1,028,499.93
  4. Step 4: Simplify right side
    1,899,672.20x = 2,696,229,372,183.86
  5. Step 5: Solve for x
    x = 2,696,229,372,183.86/1,899,672.20
  6. Step 6: Final answer
    x = 1,419,312.96

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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.