Home / 3,842,120.64-5,301,675.34-2,123,138.64

Finding the Fourth Proportional to 3,842,120.64, 5,301,675.34 and 2,123,138.64

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Solution

The fourth proportional to 3,842,120.64, 5,301,675.34 and 2,123,138.64 is: 2,929,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,120.64 : 5,301,675.34 = 2,123,138.64 : x
  2. Step 2: Convert to fraction form
    3,842,120.64/5,301,675.34 = 2,123,138.64/x
  3. Step 3: Cross multiply
    3,842,120.64x = 5,301,675.34 × 2,123,138.64
  4. Step 4: Simplify right side
    3,842,120.64x = 11,256,191,771,089.14
  5. Step 5: Solve for x
    x = 11,256,191,771,089.14/3,842,120.64
  6. Step 6: Final answer
    x = 2,929,682.02

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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.