Home / 3,842,112.64-5,301,664.32-2,123,130.64

Finding the Fourth Proportional to 3,842,112.64, 5,301,664.32 and 2,123,130.64

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Solution

The fourth proportional to 3,842,112.64, 5,301,664.32 and 2,123,130.64 is: 2,929,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,112.64 : 5,301,664.32 = 2,123,130.64 : x
  2. Step 2: Convert to fraction form
    3,842,112.64/5,301,664.32 = 2,123,130.64/x
  3. Step 3: Cross multiply
    3,842,112.64x = 5,301,664.32 × 2,123,130.64
  4. Step 4: Simplify right side
    3,842,112.64x = 11,256,125,960,786.77
  5. Step 5: Solve for x
    x = 11,256,125,960,786.77/3,842,112.64
  6. Step 6: Final answer
    x = 2,929,670.99

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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.