Home / 2,049,390.74-2,821,898.58-1,857,153.44

Finding the Fourth Proportional to 2,049,390.74, 2,821,898.58 and 1,857,153.44

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Solution

The fourth proportional to 2,049,390.74, 2,821,898.58 and 1,857,153.44 is: 2,557,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,390.74 : 2,821,898.58 = 1,857,153.44 : x
  2. Step 2: Convert to fraction form
    2,049,390.74/2,821,898.58 = 1,857,153.44/x
  3. Step 3: Cross multiply
    2,049,390.74x = 2,821,898.58 × 1,857,153.44
  4. Step 4: Simplify right side
    2,049,390.74x = 5,240,698,655,178.12
  5. Step 5: Solve for x
    x = 5,240,698,655,178.12/2,049,390.74
  6. Step 6: Final answer
    x = 2,557,198.37

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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.