Home / 3,842,147.64-5,301,712.62-2,123,165.72

Finding the Fourth Proportional to 3,842,147.64, 5,301,712.62 and 2,123,165.72

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Solution

The fourth proportional to 3,842,147.64, 5,301,712.62 and 2,123,165.72 is: 2,929,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,147.64 : 5,301,712.62 = 2,123,165.72 : x
  2. Step 2: Convert to fraction form
    3,842,147.64/5,301,712.62 = 2,123,165.72/x
  3. Step 3: Cross multiply
    3,842,147.64x = 5,301,712.62 × 2,123,165.72
  4. Step 4: Simplify right side
    3,842,147.64x = 11,256,414,492,075.39
  5. Step 5: Solve for x
    x = 11,256,414,492,075.39/3,842,147.64
  6. Step 6: Final answer
    x = 2,929,719.40

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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.