Home / 1,914,123.26-2,641,676.27-1,429,847.70

Finding the Fourth Proportional to 1,914,123.26, 2,641,676.27 and 1,429,847.70

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Solution

The fourth proportional to 1,914,123.26, 2,641,676.27 and 1,429,847.70 is: 1,973,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,123.26 : 2,641,676.27 = 1,429,847.70 : x
  2. Step 2: Convert to fraction form
    1,914,123.26/2,641,676.27 = 1,429,847.70/x
  3. Step 3: Cross multiply
    1,914,123.26x = 2,641,676.27 × 1,429,847.70
  4. Step 4: Simplify right side
    1,914,123.26x = 3,777,194,731,654.84
  5. Step 5: Solve for x
    x = 3,777,194,731,654.84/1,914,123.26
  6. Step 6: Final answer
    x = 1,973,328.90

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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.