Home / 1,914,102.20-2,641,647.18-1,429,826.59

Finding the Fourth Proportional to 1,914,102.20, 2,641,647.18 and 1,429,826.59

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Solution

The fourth proportional to 1,914,102.20, 2,641,647.18 and 1,429,826.59 is: 1,973,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,102.20 : 2,641,647.18 = 1,429,826.59 : x
  2. Step 2: Convert to fraction form
    1,914,102.20/2,641,647.18 = 1,429,826.59/x
  3. Step 3: Cross multiply
    1,914,102.20x = 2,641,647.18 × 1,429,826.59
  4. Step 4: Simplify right side
    1,914,102.20x = 3,777,097,369,183.83
  5. Step 5: Solve for x
    x = 3,777,097,369,183.83/1,914,102.20
  6. Step 6: Final answer
    x = 1,973,299.74

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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.