Finding the Fourth Proportional to 4,245,492.75, 6,368,294.47 and 1,212,957.55
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Solution
The fourth proportional to 4,245,492.75, 6,368,294.47 and 1,212,957.55 is: 1,819,452.14
Step by Step Solution
- Step 1: Write the proportion equation
4,245,492.75 : 6,368,294.47 = 1,212,957.55 : x - Step 2: Convert to fraction form
4,245,492.75/6,368,294.47 = 1,212,957.55/x - Step 3: Cross multiply
4,245,492.75x = 6,368,294.47 × 1,212,957.55 - Step 4: Simplify right side
4,245,492.75x = 7,724,470,858,009.75 - Step 5: Solve for x
x = 7,724,470,858,009.75/4,245,492.75 - Step 6: Final answer
x = 1,819,452.14
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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.