Finding the Fourth Proportional to 5,374,512.99, 7,416,717.21 and 2,927,167.04
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Solution
The fourth proportional to 5,374,512.99, 7,416,717.21 and 2,927,167.04 is: 4,039,430.22
Step by Step Solution
- Step 1: Write the proportion equation
5,374,512.99 : 7,416,717.21 = 2,927,167.04 : x - Step 2: Convert to fraction form
5,374,512.99/7,416,717.21 = 2,927,167.04/x - Step 3: Cross multiply
5,374,512.99x = 7,416,717.21 × 2,927,167.04 - Step 4: Simplify right side
5,374,512.99x = 21,709,970,180,654.55 - Step 5: Solve for x
x = 21,709,970,180,654.55/5,374,512.99 - Step 6: Final answer
x = 4,039,430.22
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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.