Home / 2,585,810.91-3,878,716.32-1,219,266.54

Finding the Fourth Proportional to 2,585,810.91, 3,878,716.32 and 1,219,266.54

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Solution

The fourth proportional to 2,585,810.91, 3,878,716.32 and 1,219,266.54 is: 1,828,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,810.91 : 3,878,716.32 = 1,219,266.54 : x
  2. Step 2: Convert to fraction form
    2,585,810.91/3,878,716.32 = 1,219,266.54/x
  3. Step 3: Cross multiply
    2,585,810.91x = 3,878,716.32 × 1,219,266.54
  4. Step 4: Simplify right side
    2,585,810.91x = 4,729,189,027,127.93
  5. Step 5: Solve for x
    x = 4,729,189,027,127.93/2,585,810.91
  6. Step 6: Final answer
    x = 1,828,899.79

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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.