Finding the Fourth Proportional to 5,495,231.48, 7,574,660.50 and 4,331,781.92
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Solution
The fourth proportional to 5,495,231.48, 7,574,660.50 and 4,331,781.92 is: 5,970,954.55
Step by Step Solution
- Step 1: Write the proportion equation
5,495,231.48 : 7,574,660.50 = 4,331,781.92 : x - Step 2: Convert to fraction form
5,495,231.48/7,574,660.50 = 4,331,781.92/x - Step 3: Cross multiply
5,495,231.48x = 7,574,660.50 × 4,331,781.92 - Step 4: Simplify right side
5,495,231.48x = 32,811,777,404,038.16 - Step 5: Solve for x
x = 32,811,777,404,038.16/5,495,231.48 - Step 6: Final answer
x = 5,970,954.55
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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.