Home / 1,639,034.28-2,256,720.22-1,393,536.24

Finding the Fourth Proportional to 1,639,034.28, 2,256,720.22 and 1,393,536.24

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Solution

The fourth proportional to 1,639,034.28, 2,256,720.22 and 1,393,536.24 is: 1,918,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,034.28 : 2,256,720.22 = 1,393,536.24 : x
  2. Step 2: Convert to fraction form
    1,639,034.28/2,256,720.22 = 1,393,536.24/x
  3. Step 3: Cross multiply
    1,639,034.28x = 2,256,720.22 × 1,393,536.24
  4. Step 4: Simplify right side
    1,639,034.28x = 3,144,821,410,110.77
  5. Step 5: Solve for x
    x = 3,144,821,410,110.77/1,639,034.28
  6. Step 6: Final answer
    x = 1,918,703.87

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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.