Finding the Fourth Proportional to 5,207,813.24, 7,808,872.34 and 4,135,215.80
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Solution
The fourth proportional to 5,207,813.24, 7,808,872.34 and 4,135,215.80 is: 6,200,562.65
Step by Step Solution
- Step 1: Write the proportion equation
5,207,813.24 : 7,808,872.34 = 4,135,215.80 : x - Step 2: Convert to fraction form
5,207,813.24/7,808,872.34 = 4,135,215.80/x - Step 3: Cross multiply
5,207,813.24x = 7,808,872.34 × 4,135,215.80 - Step 4: Simplify right side
5,207,813.24x = 32,291,372,280,550.97 - Step 5: Solve for x
x = 32,291,372,280,550.97/5,207,813.24 - Step 6: Final answer
x = 6,200,562.65
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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.