Finding the Fourth Proportional to 7,674,503.40, 10,590,537.06 and 4,236,670.62
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Solution
The fourth proportional to 7,674,503.40, 10,590,537.06 and 4,236,670.62 is: 5,846,452.19
Step by Step Solution
- Step 1: Write the proportion equation
7,674,503.40 : 10,590,537.06 = 4,236,670.62 : x - Step 2: Convert to fraction form
7,674,503.40/10,590,537.06 = 4,236,670.62/x - Step 3: Cross multiply
7,674,503.40x = 10,590,537.06 × 4,236,670.62 - Step 4: Simplify right side
7,674,503.40x = 44,868,617,212,123.18 - Step 5: Solve for x
x = 44,868,617,212,123.18/7,674,503.40 - Step 6: Final answer
x = 5,846,452.19
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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.