Finding the Fourth Proportional to 4,845,717.20, 7,260,702.60 and 4,042,650.80
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Solution
The fourth proportional to 4,845,717.20, 7,260,702.60 and 4,042,650.80 is: 6,057,407.80
Step by Step Solution
- Step 1: Write the proportion equation
4,845,717.20 : 7,260,702.60 = 4,042,650.80 : x - Step 2: Convert to fraction form
4,845,717.20/7,260,702.60 = 4,042,650.80/x - Step 3: Cross multiply
4,845,717.20x = 7,260,702.60 × 4,042,650.80 - Step 4: Simplify right side
4,845,717.20x = 29,352,485,174,452.08 - Step 5: Solve for x
x = 29,352,485,174,452.08/4,845,717.20 - Step 6: Final answer
x = 6,057,407.80
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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.