Home / 3,456,784.56-4,769,650.40-1,986,408.80

Finding the Fourth Proportional to 3,456,784.56, 4,769,650.40 and 1,986,408.80

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Solution

The fourth proportional to 3,456,784.56, 4,769,650.40 and 1,986,408.80 is: 2,740,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,784.56 : 4,769,650.40 = 1,986,408.80 : x
  2. Step 2: Convert to fraction form
    3,456,784.56/4,769,650.40 = 1,986,408.80/x
  3. Step 3: Cross multiply
    3,456,784.56x = 4,769,650.40 × 1,986,408.80
  4. Step 4: Simplify right side
    3,456,784.56x = 9,474,475,527,483.52
  5. Step 5: Solve for x
    x = 9,474,475,527,483.52/3,456,784.56
  6. Step 6: Final answer
    x = 2,740,834.83

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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.