Finding the Fourth Proportional to 6,494,403.46, 8,961,668.19 and 3,880,386.92
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Solution
The fourth proportional to 6,494,403.46, 8,961,668.19 and 3,880,386.92 is: 5,354,570.33
Step by Step Solution
- Step 1: Write the proportion equation
6,494,403.46 : 8,961,668.19 = 3,880,386.92 : x - Step 2: Convert to fraction form
6,494,403.46/8,961,668.19 = 3,880,386.92/x - Step 3: Cross multiply
6,494,403.46x = 8,961,668.19 × 3,880,386.92 - Step 4: Simplify right side
6,494,403.46x = 34,774,740,066,321.31 - Step 5: Solve for x
x = 34,774,740,066,321.31/6,494,403.46 - Step 6: Final answer
x = 5,354,570.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.