Finding the Fourth Proportional to 6,462,850.68, 8,918,328.42 and 3,562,081.92
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Solution
The fourth proportional to 6,462,850.68, 8,918,328.42 and 3,562,081.92 is: 4,915,449.54
Step by Step Solution
- Step 1: Write the proportion equation
6,462,850.68 : 8,918,328.42 = 3,562,081.92 : x - Step 2: Convert to fraction form
6,462,850.68/8,918,328.42 = 3,562,081.92/x - Step 3: Cross multiply
6,462,850.68x = 8,918,328.42 × 3,562,081.92 - Step 4: Simplify right side
6,462,850.68x = 31,767,816,421,504.16 - Step 5: Solve for x
x = 31,767,816,421,504.16/6,462,850.68 - Step 6: Final answer
x = 4,915,449.54
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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.