Finding the Fourth Proportional to 6,311,288.36, 8,709,202.38 and 3,661,930.84
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Solution
The fourth proportional to 6,311,288.36, 8,709,202.38 and 3,661,930.84 is: 5,053,246.65
Step by Step Solution
- Step 1: Write the proportion equation
6,311,288.36 : 8,709,202.38 = 3,661,930.84 : x - Step 2: Convert to fraction form
6,311,288.36/8,709,202.38 = 3,661,930.84/x - Step 3: Cross multiply
6,311,288.36x = 8,709,202.38 × 3,661,930.84 - Step 4: Simplify right side
6,311,288.36x = 31,892,496,787,123.40 - Step 5: Solve for x
x = 31,892,496,787,123.40/6,311,288.36 - Step 6: Final answer
x = 5,053,246.65
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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.