Home / 2,947,455.22-4,057,662.45-2,812,036.18

Finding the Fourth Proportional to 2,947,455.22, 4,057,662.45 and 2,812,036.18

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Solution

The fourth proportional to 2,947,455.22, 4,057,662.45 and 2,812,036.18 is: 3,871,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,455.22 : 4,057,662.45 = 2,812,036.18 : x
  2. Step 2: Convert to fraction form
    2,947,455.22/4,057,662.45 = 2,812,036.18/x
  3. Step 3: Cross multiply
    2,947,455.22x = 4,057,662.45 × 2,812,036.18
  4. Step 4: Simplify right side
    2,947,455.22x = 11,410,293,615,627.44
  5. Step 5: Solve for x
    x = 11,410,293,615,627.44/2,947,455.22
  6. Step 6: Final answer
    x = 3,871,235.61

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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.