Finding the Fourth Proportional to 7,796,579.34, 11,695,670.99 and 2,942,974.10
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Solution
The fourth proportional to 7,796,579.34, 11,695,670.99 and 2,942,974.10 is: 4,414,763.87
Step by Step Solution
- Step 1: Write the proportion equation
7,796,579.34 : 11,695,670.99 = 2,942,974.10 : x - Step 2: Convert to fraction form
7,796,579.34/11,695,670.99 = 2,942,974.10/x - Step 3: Cross multiply
7,796,579.34x = 11,695,670.99 × 2,942,974.10 - Step 4: Simplify right side
7,796,579.34x = 34,420,056,805,691.36 - Step 5: Solve for x
x = 34,420,056,805,691.36/7,796,579.34 - Step 6: Final answer
x = 4,414,763.87
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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.