Home / 2,887,756.42-3,986,983.94-1,855,661.91

Finding the Fourth Proportional to 2,887,756.42, 3,986,983.94 and 1,855,661.91

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Solution

The fourth proportional to 2,887,756.42, 3,986,983.94 and 1,855,661.91 is: 2,562,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,756.42 : 3,986,983.94 = 1,855,661.91 : x
  2. Step 2: Convert to fraction form
    2,887,756.42/3,986,983.94 = 1,855,661.91/x
  3. Step 3: Cross multiply
    2,887,756.42x = 3,986,983.94 × 1,855,661.91
  4. Step 4: Simplify right side
    2,887,756.42x = 7,398,494,233,239.73
  5. Step 5: Solve for x
    x = 7,398,494,233,239.73/2,887,756.42
  6. Step 6: Final answer
    x = 2,562,021.57

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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.