Finding the Fourth Proportional to 7,796,578.84, 11,695,670.24 and 2,942,973.60
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Solution
The fourth proportional to 7,796,578.84, 11,695,670.24 and 2,942,973.60 is: 4,414,763.12
Step by Step Solution
- Step 1: Write the proportion equation
7,796,578.84 : 11,695,670.24 = 2,942,973.60 : x - Step 2: Convert to fraction form
7,796,578.84/11,695,670.24 = 2,942,973.60/x - Step 3: Cross multiply
7,796,578.84x = 11,695,670.24 × 2,942,973.60 - Step 4: Simplify right side
7,796,578.84x = 34,420,048,750,625.66 - Step 5: Solve for x
x = 34,420,048,750,625.66/7,796,578.84 - Step 6: Final answer
x = 4,414,763.12
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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.