Home / 3,836,580.32-5,294,481.36-2,117,701.28

Finding the Fourth Proportional to 3,836,580.32, 5,294,481.36 and 2,117,701.28

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Solution

The fourth proportional to 3,836,580.32, 5,294,481.36 and 2,117,701.28 is: 2,922,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,580.32 : 5,294,481.36 = 2,117,701.28 : x
  2. Step 2: Convert to fraction form
    3,836,580.32/5,294,481.36 = 2,117,701.28/x
  3. Step 3: Cross multiply
    3,836,580.32x = 5,294,481.36 × 2,117,701.28
  4. Step 4: Simplify right side
    3,836,580.32x = 11,212,129,953,008.14
  5. Step 5: Solve for x
    x = 11,212,129,953,008.14/3,836,580.32
  6. Step 6: Final answer
    x = 2,922,428.05

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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.