Finding the Fourth Proportional to 6,516,844.81, 8,993,217 and 3,616,228.74
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Solution
The fourth proportional to 6,516,844.81, 8,993,217 and 3,616,228.74 is: 4,990,379.66
Step by Step Solution
- Step 1: Write the proportion equation
6,516,844.81 : 8,993,217 = 3,616,228.74 : x - Step 2: Convert to fraction form
6,516,844.81/8,993,217 = 3,616,228.74/x - Step 3: Cross multiply
6,516,844.81x = 8,993,217 × 3,616,228.74 - Step 4: Simplify right side
6,516,844.81x = 32,521,529,780,456.58 - Step 5: Solve for x
x = 32,521,529,780,456.58/6,516,844.81 - Step 6: Final answer
x = 4,990,379.66
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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.