Home / 2,180,231.83-3,008,679.55-1,213,353.60

Finding the Fourth Proportional to 2,180,231.83, 3,008,679.55 and 1,213,353.60

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Solution

The fourth proportional to 2,180,231.83, 3,008,679.55 and 1,213,353.60 is: 1,674,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,231.83 : 3,008,679.55 = 1,213,353.60 : x
  2. Step 2: Convert to fraction form
    2,180,231.83/3,008,679.55 = 1,213,353.60/x
  3. Step 3: Cross multiply
    2,180,231.83x = 3,008,679.55 × 1,213,353.60
  4. Step 4: Simplify right side
    2,180,231.83x = 3,650,592,163,238.88
  5. Step 5: Solve for x
    x = 3,650,592,163,238.88/2,180,231.83
  6. Step 6: Final answer
    x = 1,674,405.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.