Home / 2,378,999.56-3,283,022.71-1,291,271.38

Finding the Fourth Proportional to 2,378,999.56, 3,283,022.71 and 1,291,271.38

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Solution

The fourth proportional to 2,378,999.56, 3,283,022.71 and 1,291,271.38 is: 1,781,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,999.56 : 3,283,022.71 = 1,291,271.38 : x
  2. Step 2: Convert to fraction form
    2,378,999.56/3,283,022.71 = 1,291,271.38/x
  3. Step 3: Cross multiply
    2,378,999.56x = 3,283,022.71 × 1,291,271.38
  4. Step 4: Simplify right side
    2,378,999.56x = 4,239,273,265,313.04
  5. Step 5: Solve for x
    x = 4,239,273,265,313.04/2,378,999.56
  6. Step 6: Final answer
    x = 1,781,956.30

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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.