Home / 4,679,857.47-7,019,783.01-1,762,500.66

Finding the Fourth Proportional to 4,679,857.47, 7,019,783.01 and 1,762,500.66

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Solution

The fourth proportional to 4,679,857.47, 7,019,783.01 and 1,762,500.66 is: 2,643,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,857.47 : 7,019,783.01 = 1,762,500.66 : x
  2. Step 2: Convert to fraction form
    4,679,857.47/7,019,783.01 = 1,762,500.66/x
  3. Step 3: Cross multiply
    4,679,857.47x = 7,019,783.01 × 1,762,500.66
  4. Step 4: Simplify right side
    4,679,857.47x = 12,372,372,188,181.79
  5. Step 5: Solve for x
    x = 12,372,372,188,181.79/4,679,857.47
  6. Step 6: Final answer
    x = 2,643,749.79

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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.