Finding the Fourth Proportional to 5,379,546.48, 7,423,436.99 and 2,965,098.48
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Solution
The fourth proportional to 5,379,546.48, 7,423,436.99 and 2,965,098.48 is: 4,091,650.07
Step by Step Solution
- Step 1: Write the proportion equation
5,379,546.48 : 7,423,436.99 = 2,965,098.48 : x - Step 2: Convert to fraction form
5,379,546.48/7,423,436.99 = 2,965,098.48/x - Step 3: Cross multiply
5,379,546.48x = 7,423,436.99 × 2,965,098.48 - Step 4: Simplify right side
5,379,546.48x = 22,011,221,720,599.29 - Step 5: Solve for x
x = 22,011,221,720,599.29/5,379,546.48 - Step 6: Final answer
x = 4,091,650.07
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1.5x scale
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.