Home / 3,129,135.64-4,317,467.18-1,771,008.60

Finding the Fourth Proportional to 3,129,135.64, 4,317,467.18 and 1,771,008.60

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Solution

The fourth proportional to 3,129,135.64, 4,317,467.18 and 1,771,008.60 is: 2,443,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,135.64 : 4,317,467.18 = 1,771,008.60 : x
  2. Step 2: Convert to fraction form
    3,129,135.64/4,317,467.18 = 1,771,008.60/x
  3. Step 3: Cross multiply
    3,129,135.64x = 4,317,467.18 × 1,771,008.60
  4. Step 4: Simplify right side
    3,129,135.64x = 7,646,271,505,997.75
  5. Step 5: Solve for x
    x = 7,646,271,505,997.75/3,129,135.64
  6. Step 6: Final answer
    x = 2,443,573.05

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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.