Home / 3,005,003.52-4,145,601.60-1,987,827.84

Finding the Fourth Proportional to 3,005,003.52, 4,145,601.60 and 1,987,827.84

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Solution

The fourth proportional to 3,005,003.52, 4,145,601.60 and 1,987,827.84 is: 2,742,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,003.52 : 4,145,601.60 = 1,987,827.84 : x
  2. Step 2: Convert to fraction form
    3,005,003.52/4,145,601.60 = 1,987,827.84/x
  3. Step 3: Cross multiply
    3,005,003.52x = 4,145,601.60 × 1,987,827.84
  4. Step 4: Simplify right side
    3,005,003.52x = 8,240,742,274,028.55
  5. Step 5: Solve for x
    x = 8,240,742,274,028.55/3,005,003.52
  6. Step 6: Final answer
    x = 2,742,340.31

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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.