Home / 3,119,289.20-4,678,277.70-1,322,231.30

Finding the Fourth Proportional to 3,119,289.20, 4,678,277.70 and 1,322,231.30

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Solution

The fourth proportional to 3,119,289.20, 4,678,277.70 and 1,322,231.30 is: 1,983,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,289.20 : 4,678,277.70 = 1,322,231.30 : x
  2. Step 2: Convert to fraction form
    3,119,289.20/4,678,277.70 = 1,322,231.30/x
  3. Step 3: Cross multiply
    3,119,289.20x = 4,678,277.70 × 1,322,231.30
  4. Step 4: Simplify right side
    3,119,289.20x = 6,185,765,205,032.01
  5. Step 5: Solve for x
    x = 6,185,765,205,032.01/3,119,289.20
  6. Step 6: Final answer
    x = 1,983,068.84

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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.