Home / 2,872,571.36-3,964,147.52-1,583,433.28

Finding the Fourth Proportional to 2,872,571.36, 3,964,147.52 and 1,583,433.28

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Solution

The fourth proportional to 2,872,571.36, 3,964,147.52 and 1,583,433.28 is: 2,185,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,571.36 : 3,964,147.52 = 1,583,433.28 : x
  2. Step 2: Convert to fraction form
    2,872,571.36/3,964,147.52 = 1,583,433.28/x
  3. Step 3: Cross multiply
    2,872,571.36x = 3,964,147.52 × 1,583,433.28
  4. Step 4: Simplify right side
    2,872,571.36x = 6,276,963,092,169.93
  5. Step 5: Solve for x
    x = 6,276,963,092,169.93/2,872,571.36
  6. Step 6: Final answer
    x = 2,185,137.39

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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.