Finding the Fourth Proportional to 2,775,897.60, 4,161,772.80 and 1,515,148.80
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Solution
The fourth proportional to 2,775,897.60, 4,161,772.80 and 1,515,148.80 is: 2,271,591.38
Step by Step Solution
- Step 1: Write the proportion equation
2,775,897.60 : 4,161,772.80 = 1,515,148.80 : x - Step 2: Convert to fraction form
2,775,897.60/4,161,772.80 = 1,515,148.80/x - Step 3: Cross multiply
2,775,897.60x = 4,161,772.80 × 1,515,148.80 - Step 4: Simplify right side
2,775,897.60x = 6,305,705,063,792.64 - Step 5: Solve for x
x = 6,305,705,063,792.64/2,775,897.60 - Step 6: Final answer
x = 2,271,591.38
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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.