Finding the Fourth Proportional to 2,916,427.96, 4,374,615.70 and 921,884.60
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Solution
The fourth proportional to 2,916,427.96, 4,374,615.70 and 921,884.60 is: 1,382,818.61
Step by Step Solution
- Step 1: Write the proportion equation
2,916,427.96 : 4,374,615.70 = 921,884.60 : x - Step 2: Convert to fraction form
2,916,427.96/4,374,615.70 = 921,884.60/x - Step 3: Cross multiply
2,916,427.96x = 4,374,615.70 × 921,884.60 - Step 4: Simplify right side
2,916,427.96x = 4,032,890,844,748.22 - Step 5: Solve for x
x = 4,032,890,844,748.22/2,916,427.96 - Step 6: Final answer
x = 1,382,818.61
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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.