Finding the Fourth Proportional to 7,081,436.14, 10,619,551.68 and 2,531,257.09
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Solution
The fourth proportional to 7,081,436.14, 10,619,551.68 and 2,531,257.09 is: 3,795,955.36
Step by Step Solution
- Step 1: Write the proportion equation
7,081,436.14 : 10,619,551.68 = 2,531,257.09 : x - Step 2: Convert to fraction form
7,081,436.14/10,619,551.68 = 2,531,257.09/x - Step 3: Cross multiply
7,081,436.14x = 10,619,551.68 × 2,531,257.09 - Step 4: Simplify right side
7,081,436.14x = 26,880,815,446,580.32 - Step 5: Solve for x
x = 26,880,815,446,580.32/7,081,436.14 - Step 6: Final answer
x = 3,795,955.36
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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.