Home / 1,914,101.70-2,641,646.49-1,429,826.09

Finding the Fourth Proportional to 1,914,101.70, 2,641,646.49 and 1,429,826.09

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Solution

The fourth proportional to 1,914,101.70, 2,641,646.49 and 1,429,826.09 is: 1,973,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,101.70 : 2,641,646.49 = 1,429,826.09 : x
  2. Step 2: Convert to fraction form
    1,914,101.70/2,641,646.49 = 1,429,826.09/x
  3. Step 3: Cross multiply
    1,914,101.70x = 2,641,646.49 × 1,429,826.09
  4. Step 4: Simplify right side
    1,914,101.70x = 3,777,095,060,120.01
  5. Step 5: Solve for x
    x = 3,777,095,060,120.01/1,914,101.70
  6. Step 6: Final answer
    x = 1,973,299.05

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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.