Home / 3,129,636-4,319,003.84-1,753,038.72

Finding the Fourth Proportional to 3,129,636, 4,319,003.84 and 1,753,038.72

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Solution

The fourth proportional to 3,129,636, 4,319,003.84 and 1,753,038.72 is: 2,419,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,636 : 4,319,003.84 = 1,753,038.72 : x
  2. Step 2: Convert to fraction form
    3,129,636/4,319,003.84 = 1,753,038.72/x
  3. Step 3: Cross multiply
    3,129,636x = 4,319,003.84 × 1,753,038.72
  4. Step 4: Simplify right side
    3,129,636x = 7,571,380,963,348.69
  5. Step 5: Solve for x
    x = 7,571,380,963,348.69/3,129,636
  6. Step 6: Final answer
    x = 2,419,252.90

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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.