Home / 2,585,815.91-3,878,723.82-1,219,271.54

Finding the Fourth Proportional to 2,585,815.91, 3,878,723.82 and 1,219,271.54

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Solution

The fourth proportional to 2,585,815.91, 3,878,723.82 and 1,219,271.54 is: 1,828,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,815.91 : 3,878,723.82 = 1,219,271.54 : x
  2. Step 2: Convert to fraction form
    2,585,815.91/3,878,723.82 = 1,219,271.54/x
  3. Step 3: Cross multiply
    2,585,815.91x = 3,878,723.82 × 1,219,271.54
  4. Step 4: Simplify right side
    2,585,815.91x = 4,729,217,565,246.08
  5. Step 5: Solve for x
    x = 4,729,217,565,246.08/2,585,815.91
  6. Step 6: Final answer
    x = 1,828,907.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.