Home / 2,080,404.60-3,120,606.90-1,408,558.20

Finding the Fourth Proportional to 2,080,404.60, 3,120,606.90 and 1,408,558.20

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Solution

The fourth proportional to 2,080,404.60, 3,120,606.90 and 1,408,558.20 is: 2,112,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,404.60 : 3,120,606.90 = 1,408,558.20 : x
  2. Step 2: Convert to fraction form
    2,080,404.60/3,120,606.90 = 1,408,558.20/x
  3. Step 3: Cross multiply
    2,080,404.60x = 3,120,606.90 × 1,408,558.20
  4. Step 4: Simplify right side
    2,080,404.60x = 4,395,556,437,971.58
  5. Step 5: Solve for x
    x = 4,395,556,437,971.58/2,080,404.60
  6. Step 6: Final answer
    x = 2,112,837.30

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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.