Home / 2,121,559.30-2,927,665.29-1,203,768.69

Finding the Fourth Proportional to 2,121,559.30, 2,927,665.29 and 1,203,768.69

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Solution

The fourth proportional to 2,121,559.30, 2,927,665.29 and 1,203,768.69 is: 1,661,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,559.30 : 2,927,665.29 = 1,203,768.69 : x
  2. Step 2: Convert to fraction form
    2,121,559.30/2,927,665.29 = 1,203,768.69/x
  3. Step 3: Cross multiply
    2,121,559.30x = 2,927,665.29 × 1,203,768.69
  4. Step 4: Simplify right side
    2,121,559.30x = 3,524,231,817,519.68
  5. Step 5: Solve for x
    x = 3,524,231,817,519.68/2,121,559.30
  6. Step 6: Final answer
    x = 1,661,151.69

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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.