Home / 2,878,585.26-3,972,466.91-1,571,846.38

Finding the Fourth Proportional to 2,878,585.26, 3,972,466.91 and 1,571,846.38

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Solution

The fourth proportional to 2,878,585.26, 3,972,466.91 and 1,571,846.38 is: 2,169,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,585.26 : 3,972,466.91 = 1,571,846.38 : x
  2. Step 2: Convert to fraction form
    2,878,585.26/3,972,466.91 = 1,571,846.38/x
  3. Step 3: Cross multiply
    2,878,585.26x = 3,972,466.91 × 1,571,846.38
  4. Step 4: Simplify right side
    2,878,585.26x = 6,244,107,741,048.49
  5. Step 5: Solve for x
    x = 6,244,107,741,048.49/2,878,585.26
  6. Step 6: Final answer
    x = 2,169,158.52

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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.