Finding the Fourth Proportional to 6,989,370.66, 10,479,774.60 and 2,724,556.50
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Solution
The fourth proportional to 6,989,370.66, 10,479,774.60 and 2,724,556.50 is: 4,085,165.80
Step by Step Solution
- Step 1: Write the proportion equation
6,989,370.66 : 10,479,774.60 = 2,724,556.50 : x - Step 2: Convert to fraction form
6,989,370.66/10,479,774.60 = 2,724,556.50/x - Step 3: Cross multiply
6,989,370.66x = 10,479,774.60 × 2,724,556.50 - Step 4: Simplify right side
6,989,370.66x = 28,552,738,004,964.90 - Step 5: Solve for x
x = 28,552,738,004,964.90/6,989,370.66 - Step 6: Final answer
x = 4,085,165.80
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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.