Finding the Fourth Proportional to 5,051,883.48, 7,572,719.16 and 2,175,126.72
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Solution
The fourth proportional to 5,051,883.48, 7,572,719.16 and 2,175,126.72 is: 3,260,491.63
Step by Step Solution
- Step 1: Write the proportion equation
5,051,883.48 : 7,572,719.16 = 2,175,126.72 : x - Step 2: Convert to fraction form
5,051,883.48/7,572,719.16 = 2,175,126.72/x - Step 3: Cross multiply
5,051,883.48x = 7,572,719.16 × 2,175,126.72 - Step 4: Simplify right side
5,051,883.48x = 16,471,623,787,971.96 - Step 5: Solve for x
x = 16,471,623,787,971.96/5,051,883.48 - Step 6: Final answer
x = 3,260,491.63
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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.