Finding the Fourth Proportional to 5,559,827.97, 7,672,503.96 and 3,112,459.14
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Solution
The fourth proportional to 5,559,827.97, 7,672,503.96 and 3,112,459.14 is: 4,295,160.79
Step by Step Solution
- Step 1: Write the proportion equation
5,559,827.97 : 7,672,503.96 = 3,112,459.14 : x - Step 2: Convert to fraction form
5,559,827.97/7,672,503.96 = 3,112,459.14/x - Step 3: Cross multiply
5,559,827.97x = 7,672,503.96 × 3,112,459.14 - Step 4: Simplify right side
5,559,827.97x = 23,880,355,076,988.20 - Step 5: Solve for x
x = 23,880,355,076,988.20/5,559,827.97 - Step 6: Final answer
x = 4,295,160.79
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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.