Finding the Fourth Proportional to 6,516,843.81, 8,993,215.62 and 3,616,227.74
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Solution
The fourth proportional to 6,516,843.81, 8,993,215.62 and 3,616,227.74 is: 4,990,378.27
Step by Step Solution
- Step 1: Write the proportion equation
6,516,843.81 : 8,993,215.62 = 3,616,227.74 : x - Step 2: Convert to fraction form
6,516,843.81/8,993,215.62 = 3,616,227.74/x - Step 3: Cross multiply
6,516,843.81x = 8,993,215.62 × 3,616,227.74 - Step 4: Simplify right side
6,516,843.81x = 32,521,515,751,879.21 - Step 5: Solve for x
x = 32,521,515,751,879.21/6,516,843.81 - Step 6: Final answer
x = 4,990,378.27
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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.