Finding the Fourth Proportional to 5,614,420.96, 8,421,553.20 and 1,354,553.44
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Solution
The fourth proportional to 5,614,420.96, 8,421,553.20 and 1,354,553.44 is: 2,031,811.28
Step by Step Solution
- Step 1: Write the proportion equation
5,614,420.96 : 8,421,553.20 = 1,354,553.44 : x - Step 2: Convert to fraction form
5,614,420.96/8,421,553.20 = 1,354,553.44/x - Step 3: Cross multiply
5,614,420.96x = 8,421,553.20 × 1,354,553.44 - Step 4: Simplify right side
5,614,420.96x = 11,407,443,857,203.01 - Step 5: Solve for x
x = 11,407,443,857,203.01/5,614,420.96 - Step 6: Final answer
x = 2,031,811.28
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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.