Home / 2,180,195.10-3,008,645.82-1,213,309.08

Finding the Fourth Proportional to 2,180,195.10, 3,008,645.82 and 1,213,309.08

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Solution

The fourth proportional to 2,180,195.10, 3,008,645.82 and 1,213,309.08 is: 1,674,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,195.10 : 3,008,645.82 = 1,213,309.08 : x
  2. Step 2: Convert to fraction form
    2,180,195.10/3,008,645.82 = 1,213,309.08/x
  3. Step 3: Cross multiply
    2,180,195.10x = 3,008,645.82 × 1,213,309.08
  4. Step 4: Simplify right side
    2,180,195.10x = 3,650,417,291,910.05
  5. Step 5: Solve for x
    x = 3,650,417,291,910.05/2,180,195.10
  6. Step 6: Final answer
    x = 1,674,353.50

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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.