Home / 2,131,308.80-3,191,714.40-1,008,065.60

Finding the Fourth Proportional to 2,131,308.80, 3,191,714.40 and 1,008,065.60

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Solution

The fourth proportional to 2,131,308.80, 3,191,714.40 and 1,008,065.60 is: 1,509,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,308.80 : 3,191,714.40 = 1,008,065.60 : x
  2. Step 2: Convert to fraction form
    2,131,308.80/3,191,714.40 = 1,008,065.60/x
  3. Step 3: Cross multiply
    2,131,308.80x = 3,191,714.40 × 1,008,065.60
  4. Step 4: Simplify right side
    2,131,308.80x = 3,217,457,491,664.64
  5. Step 5: Solve for x
    x = 3,217,457,491,664.64/2,131,308.80
  6. Step 6: Final answer
    x = 1,509,615.82

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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.