Home / 1,914,111.05-2,641,659.39-1,429,835.45

Finding the Fourth Proportional to 1,914,111.05, 2,641,659.39 and 1,429,835.45

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Solution

The fourth proportional to 1,914,111.05, 2,641,659.39 and 1,429,835.45 is: 1,973,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,111.05 : 2,641,659.39 = 1,429,835.45 : x
  2. Step 2: Convert to fraction form
    1,914,111.05/2,641,659.39 = 1,429,835.45/x
  3. Step 3: Cross multiply
    1,914,111.05x = 2,641,659.39 × 1,429,835.45
  4. Step 4: Simplify right side
    1,914,111.05x = 3,777,138,229,439.08
  5. Step 5: Solve for x
    x = 3,777,138,229,439.08/1,914,111.05
  6. Step 6: Final answer
    x = 1,973,311.97

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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.