Home / 2,105,955.44-3,158,930.72-686,009.24

Finding the Fourth Proportional to 2,105,955.44, 3,158,930.72 and 686,009.24

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Solution

The fourth proportional to 2,105,955.44, 3,158,930.72 and 686,009.24 is: 1,029,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,955.44 : 3,158,930.72 = 686,009.24 : x
  2. Step 2: Convert to fraction form
    2,105,955.44/3,158,930.72 = 686,009.24/x
  3. Step 3: Cross multiply
    2,105,955.44x = 3,158,930.72 × 686,009.24
  4. Step 4: Simplify right side
    2,105,955.44x = 2,167,055,662,439.85
  5. Step 5: Solve for x
    x = 2,167,055,662,439.85/2,105,955.44
  6. Step 6: Final answer
    x = 1,029,013.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.