Finding the Fourth Proportional to 3,117,708.23, 4,302,353.27 and 1,741,013.60
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Solution
The fourth proportional to 3,117,708.23, 4,302,353.27 and 1,741,013.60 is: 2,402,551.81
Step by Step Solution
- Step 1: Write the proportion equation
3,117,708.23 : 4,302,353.27 = 1,741,013.60 : x - Step 2: Convert to fraction form
3,117,708.23/4,302,353.27 = 1,741,013.60/x - Step 3: Cross multiply
3,117,708.23x = 4,302,353.27 × 1,741,013.60 - Step 4: Simplify right side
3,117,708.23x = 7,490,455,537,915.24 - Step 5: Solve for x
x = 7,490,455,537,915.24/3,117,708.23 - Step 6: Final answer
x = 2,402,551.81
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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.