Finding the Fourth Proportional to 6,634,896.62, 9,943,929.09 and 2,987,735.13
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Solution
The fourth proportional to 6,634,896.62, 9,943,929.09 and 2,987,735.13 is: 4,477,812.99
Step by Step Solution
- Step 1: Write the proportion equation
6,634,896.62 : 9,943,929.09 = 2,987,735.13 : x - Step 2: Convert to fraction form
6,634,896.62/9,943,929.09 = 2,987,735.13/x - Step 3: Cross multiply
6,634,896.62x = 9,943,929.09 × 2,987,735.13 - Step 4: Simplify right side
6,634,896.62x = 29,709,826,272,421.93 - Step 5: Solve for x
x = 29,709,826,272,421.93/6,634,896.62 - Step 6: Final answer
x = 4,477,812.99
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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.