Home / 2,007,145.86-2,768,601.40-1,190,771.57

Finding the Fourth Proportional to 2,007,145.86, 2,768,601.40 and 1,190,771.57

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Solution

The fourth proportional to 2,007,145.86, 2,768,601.40 and 1,190,771.57 is: 1,642,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,145.86 : 2,768,601.40 = 1,190,771.57 : x
  2. Step 2: Convert to fraction form
    2,007,145.86/2,768,601.40 = 1,190,771.57/x
  3. Step 3: Cross multiply
    2,007,145.86x = 2,768,601.40 × 1,190,771.57
  4. Step 4: Simplify right side
    2,007,145.86x = 3,296,771,835,782.20
  5. Step 5: Solve for x
    x = 3,296,771,835,782.20/2,007,145.86
  6. Step 6: Final answer
    x = 1,642,517.32

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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.