Finding the Fourth Proportional to 4,260,548.25, 6,390,953.60 and 1,863,158.85
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Solution
The fourth proportional to 4,260,548.25, 6,390,953.60 and 1,863,158.85 is: 2,794,795.66
Step by Step Solution
- Step 1: Write the proportion equation
4,260,548.25 : 6,390,953.60 = 1,863,158.85 : x - Step 2: Convert to fraction form
4,260,548.25/6,390,953.60 = 1,863,158.85/x - Step 3: Cross multiply
4,260,548.25x = 6,390,953.60 × 1,863,158.85 - Step 4: Simplify right side
4,260,548.25x = 11,907,361,759,779.36 - Step 5: Solve for x
x = 11,907,361,759,779.36/4,260,548.25 - Step 6: Final answer
x = 2,794,795.66
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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.