Home / 3,167,999.20-4,751,998.80-1,276,098.40

Finding the Fourth Proportional to 3,167,999.20, 4,751,998.80 and 1,276,098.40

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Solution

The fourth proportional to 3,167,999.20, 4,751,998.80 and 1,276,098.40 is: 1,914,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,999.20 : 4,751,998.80 = 1,276,098.40 : x
  2. Step 2: Convert to fraction form
    3,167,999.20/4,751,998.80 = 1,276,098.40/x
  3. Step 3: Cross multiply
    3,167,999.20x = 4,751,998.80 × 1,276,098.40
  4. Step 4: Simplify right side
    3,167,999.20x = 6,064,018,065,481.92
  5. Step 5: Solve for x
    x = 6,064,018,065,481.92/3,167,999.20
  6. Step 6: Final answer
    x = 1,914,147.60

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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.