Home / 2,180,236.08-3,008,685.42-1,213,357.85

Finding the Fourth Proportional to 2,180,236.08, 3,008,685.42 and 1,213,357.85

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Solution

The fourth proportional to 2,180,236.08, 3,008,685.42 and 1,213,357.85 is: 1,674,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,236.08 : 3,008,685.42 = 1,213,357.85 : x
  2. Step 2: Convert to fraction form
    2,180,236.08/3,008,685.42 = 1,213,357.85/x
  3. Step 3: Cross multiply
    2,180,236.08x = 3,008,685.42 × 1,213,357.85
  4. Step 4: Simplify right side
    2,180,236.08x = 3,650,612,057,494.12
  5. Step 5: Solve for x
    x = 3,650,612,057,494.12/2,180,236.08
  6. Step 6: Final answer
    x = 1,674,411.36

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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.