Home / 3,119,409.70-4,678,458.45-1,322,351.80

Finding the Fourth Proportional to 3,119,409.70, 4,678,458.45 and 1,322,351.80

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Solution

The fourth proportional to 3,119,409.70, 4,678,458.45 and 1,322,351.80 is: 1,983,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,409.70 : 4,678,458.45 = 1,322,351.80 : x
  2. Step 2: Convert to fraction form
    3,119,409.70/4,678,458.45 = 1,322,351.80/x
  3. Step 3: Cross multiply
    3,119,409.70x = 4,678,458.45 × 1,322,351.80
  4. Step 4: Simplify right side
    3,119,409.70x = 6,186,567,952,582.71
  5. Step 5: Solve for x
    x = 6,186,567,952,582.71/3,119,409.70
  6. Step 6: Final answer
    x = 1,983,249.57

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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.