Finding the Fourth Proportional to 7,192,115.93, 10,788,267.38 and 2,399,805.20
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Solution
The fourth proportional to 7,192,115.93, 10,788,267.38 and 2,399,805.20 is: 3,599,738.99
Step by Step Solution
- Step 1: Write the proportion equation
7,192,115.93 : 10,788,267.38 = 2,399,805.20 : x - Step 2: Convert to fraction form
7,192,115.93/10,788,267.38 = 2,399,805.20/x - Step 3: Cross multiply
7,192,115.93x = 10,788,267.38 × 2,399,805.20 - Step 4: Simplify right side
7,192,115.93x = 25,889,740,091,574.01 - Step 5: Solve for x
x = 25,889,740,091,574.01/7,192,115.93 - Step 6: Final answer
x = 3,599,738.99
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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.