Home / 3,977,615.12-5,489,145.06-2,407,783.02

Finding the Fourth Proportional to 3,977,615.12, 5,489,145.06 and 2,407,783.02

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Solution

The fourth proportional to 3,977,615.12, 5,489,145.06 and 2,407,783.02 is: 3,322,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,615.12 : 5,489,145.06 = 2,407,783.02 : x
  2. Step 2: Convert to fraction form
    3,977,615.12/5,489,145.06 = 2,407,783.02/x
  3. Step 3: Cross multiply
    3,977,615.12x = 5,489,145.06 × 2,407,783.02
  4. Step 4: Simplify right side
    3,977,615.12x = 13,216,670,269,784.88
  5. Step 5: Solve for x
    x = 13,216,670,269,784.88/3,977,615.12
  6. Step 6: Final answer
    x = 3,322,762.48

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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.