Finding the Fourth Proportional to 6,676,958.18, 9,211,276.80 and 3,922,402.97
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Solution
The fourth proportional to 6,676,958.18, 9,211,276.80 and 3,922,402.97 is: 5,411,197.51
Step by Step Solution
- Step 1: Write the proportion equation
6,676,958.18 : 9,211,276.80 = 3,922,402.97 : x - Step 2: Convert to fraction form
6,676,958.18/9,211,276.80 = 3,922,402.97/x - Step 3: Cross multiply
6,676,958.18x = 9,211,276.80 × 3,922,402.97 - Step 4: Simplify right side
6,676,958.18x = 36,130,339,477,812.10 - Step 5: Solve for x
x = 36,130,339,477,812.10/6,676,958.18 - Step 6: Final answer
x = 5,411,197.51
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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.