Home / 2,170,819.36-2,995,830.72-1,203,892.03

Finding the Fourth Proportional to 2,170,819.36, 2,995,830.72 and 1,203,892.03

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Solution

The fourth proportional to 2,170,819.36, 2,995,830.72 and 1,203,892.03 is: 1,661,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,819.36 : 2,995,830.72 = 1,203,892.03 : x
  2. Step 2: Convert to fraction form
    2,170,819.36/2,995,830.72 = 1,203,892.03/x
  3. Step 3: Cross multiply
    2,170,819.36x = 2,995,830.72 × 1,203,892.03
  4. Step 4: Simplify right side
    2,170,819.36x = 3,606,656,727,037.16
  5. Step 5: Solve for x
    x = 3,606,656,727,037.16/2,170,819.36
  6. Step 6: Final answer
    x = 1,661,426.46

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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.