Finding the Fourth Proportional to 2,859,135.26, 3,945,962.05 and 1,635,271.02
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Solution
The fourth proportional to 2,859,135.26, 3,945,962.05 and 1,635,271.02 is: 2,256,877.27
Step by Step Solution
- Step 1: Write the proportion equation
2,859,135.26 : 3,945,962.05 = 1,635,271.02 : x - Step 2: Convert to fraction form
2,859,135.26/3,945,962.05 = 1,635,271.02/x - Step 3: Cross multiply
2,859,135.26x = 3,945,962.05 × 1,635,271.02 - Step 4: Simplify right side
2,859,135.26x = 6,452,717,382,296.61 - Step 5: Solve for x
x = 6,452,717,382,296.61/2,859,135.26 - Step 6: Final answer
x = 2,256,877.27
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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.