Home / 4,518,405-6,777,825.48-1,485,703.72

Finding the Fourth Proportional to 4,518,405, 6,777,825.48 and 1,485,703.72

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Solution

The fourth proportional to 4,518,405, 6,777,825.48 and 1,485,703.72 is: 2,228,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,405 : 6,777,825.48 = 1,485,703.72 : x
  2. Step 2: Convert to fraction form
    4,518,405/6,777,825.48 = 1,485,703.72/x
  3. Step 3: Cross multiply
    4,518,405x = 6,777,825.48 × 1,485,703.72
  4. Step 4: Simplify right side
    4,518,405x = 10,069,840,529,146.79
  5. Step 5: Solve for x
    x = 10,069,840,529,146.79/4,518,405
  6. Step 6: Final answer
    x = 2,228,627.25

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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.