Finding the Fourth Proportional to 5,478,322.20, 7,562,506.04 and 3,273,962.68
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Solution
The fourth proportional to 5,478,322.20, 7,562,506.04 and 3,273,962.68 is: 4,519,515.58
Step by Step Solution
- Step 1: Write the proportion equation
5,478,322.20 : 7,562,506.04 = 3,273,962.68 : x - Step 2: Convert to fraction form
5,478,322.20/7,562,506.04 = 3,273,962.68/x - Step 3: Cross multiply
5,478,322.20x = 7,562,506.04 × 3,273,962.68 - Step 4: Simplify right side
5,478,322.20x = 24,759,362,542,234.59 - Step 5: Solve for x
x = 24,759,362,542,234.59/5,478,322.20 - Step 6: Final answer
x = 4,519,515.58
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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.