Finding the Fourth Proportional to 4,381,627.20, 6,571,447.20 and 1,983,888.96
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Solution
The fourth proportional to 4,381,627.20, 6,571,447.20 and 1,983,888.96 is: 2,975,383.56
Step by Step Solution
- Step 1: Write the proportion equation
4,381,627.20 : 6,571,447.20 = 1,983,888.96 : x - Step 2: Convert to fraction form
4,381,627.20/6,571,447.20 = 1,983,888.96/x - Step 3: Cross multiply
4,381,627.20x = 6,571,447.20 × 1,983,888.96 - Step 4: Simplify right side
4,381,627.20x = 13,037,021,551,302.91 - Step 5: Solve for x
x = 13,037,021,551,302.91/4,381,627.20 - Step 6: Final answer
x = 2,975,383.56
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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.