Finding the Fourth Proportional to 3,455,408.96, 5,183,869.80 and 1,059,440.48
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Solution
The fourth proportional to 3,455,408.96, 5,183,869.80 and 1,059,440.48 is: 1,589,392.62
Step by Step Solution
- Step 1: Write the proportion equation
3,455,408.96 : 5,183,869.80 = 1,059,440.48 : x - Step 2: Convert to fraction form
3,455,408.96/5,183,869.80 = 1,059,440.48/x - Step 3: Cross multiply
3,455,408.96x = 5,183,869.80 × 1,059,440.48 - Step 4: Simplify right side
3,455,408.96x = 5,492,001,509,169.50 - Step 5: Solve for x
x = 5,492,001,509,169.50/3,455,408.96 - Step 6: Final answer
x = 1,589,392.62
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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.