Home / 2,171,826.40-3,257,739.60-1,415,999.20

Finding the Fourth Proportional to 2,171,826.40, 3,257,739.60 and 1,415,999.20

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Solution

The fourth proportional to 2,171,826.40, 3,257,739.60 and 1,415,999.20 is: 2,123,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,826.40 : 3,257,739.60 = 1,415,999.20 : x
  2. Step 2: Convert to fraction form
    2,171,826.40/3,257,739.60 = 1,415,999.20/x
  3. Step 3: Cross multiply
    2,171,826.40x = 3,257,739.60 × 1,415,999.20
  4. Step 4: Simplify right side
    2,171,826.40x = 4,612,956,667,408.32
  5. Step 5: Solve for x
    x = 4,612,956,667,408.32/2,171,826.40
  6. Step 6: Final answer
    x = 2,123,998.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.