Home / 3,780,890.73-5,671,327.44-1,620,515.02

Finding the Fourth Proportional to 3,780,890.73, 5,671,327.44 and 1,620,515.02

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Solution

The fourth proportional to 3,780,890.73, 5,671,327.44 and 1,620,515.02 is: 2,430,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,890.73 : 5,671,327.44 = 1,620,515.02 : x
  2. Step 2: Convert to fraction form
    3,780,890.73/5,671,327.44 = 1,620,515.02/x
  3. Step 3: Cross multiply
    3,780,890.73x = 5,671,327.44 × 1,620,515.02
  4. Step 4: Simplify right side
    3,780,890.73x = 9,190,471,285,679.83
  5. Step 5: Solve for x
    x = 9,190,471,285,679.83/3,780,890.73
  6. Step 6: Final answer
    x = 2,430,768.82

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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.