Home / 6,886,288-10,331,090.88-2,158,480

Finding the Fourth Proportional to 6,886,288, 10,331,090.88 and 2,158,480

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Solution

The fourth proportional to 6,886,288, 10,331,090.88 and 2,158,480 is: 3,238,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886,288 : 10,331,090.88 = 2,158,480 : x
  2. Step 2: Convert to fraction form
    6,886,288/10,331,090.88 = 2,158,480/x
  3. Step 3: Cross multiply
    6,886,288x = 10,331,090.88 × 2,158,480
  4. Step 4: Simplify right side
    6,886,288x = 22,299,453,042,662.40
  5. Step 5: Solve for x
    x = 22,299,453,042,662.40/6,886,288
  6. Step 6: Final answer
    x = 3,238,239.97

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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.