Finding the Fourth Proportional to 4,619,641.11, 6,374,921.85 and 2,554,522.62
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Solution
The fourth proportional to 4,619,641.11, 6,374,921.85 and 2,554,522.62 is: 3,525,140.09
Step by Step Solution
- Step 1: Write the proportion equation
4,619,641.11 : 6,374,921.85 = 2,554,522.62 : x - Step 2: Convert to fraction form
4,619,641.11/6,374,921.85 = 2,554,522.62/x - Step 3: Cross multiply
4,619,641.11x = 6,374,921.85 × 2,554,522.62 - Step 4: Simplify right side
4,619,641.11x = 16,284,882,066,557.25 - Step 5: Solve for x
x = 16,284,882,066,557.25/4,619,641.11 - Step 6: Final answer
x = 3,525,140.09
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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.