Finding the Fourth Proportional to 5,168,730.53, 7,753,095.28 and 1,382,114.99
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Solution
The fourth proportional to 5,168,730.53, 7,753,095.28 and 1,382,114.99 is: 2,073,172.35
Step by Step Solution
- Step 1: Write the proportion equation
5,168,730.53 : 7,753,095.28 = 1,382,114.99 : x - Step 2: Convert to fraction form
5,168,730.53/7,753,095.28 = 1,382,114.99/x - Step 3: Cross multiply
5,168,730.53x = 7,753,095.28 × 1,382,114.99 - Step 4: Simplify right side
5,168,730.53x = 10,715,669,205,386.25 - Step 5: Solve for x
x = 10,715,669,205,386.25/5,168,730.53 - Step 6: Final answer
x = 2,073,172.35
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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.