Home / 1,861,465.50-2,568,542.58-1,045,512.87

Finding the Fourth Proportional to 1,861,465.50, 2,568,542.58 and 1,045,512.87

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Solution

The fourth proportional to 1,861,465.50, 2,568,542.58 and 1,045,512.87 is: 1,442,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,465.50 : 2,568,542.58 = 1,045,512.87 : x
  2. Step 2: Convert to fraction form
    1,861,465.50/2,568,542.58 = 1,045,512.87/x
  3. Step 3: Cross multiply
    1,861,465.50x = 2,568,542.58 × 1,045,512.87
  4. Step 4: Simplify right side
    1,861,465.50x = 2,685,444,324,533.01
  5. Step 5: Solve for x
    x = 2,685,444,324,533.01/1,861,465.50
  6. Step 6: Final answer
    x = 1,442,650.60

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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.