Finding the Fourth Proportional to 5,235,843.68, 7,852,890.72 and 1,449,709.28
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Solution
The fourth proportional to 5,235,843.68, 7,852,890.72 and 1,449,709.28 is: 2,174,321.70
Step by Step Solution
- Step 1: Write the proportion equation
5,235,843.68 : 7,852,890.72 = 1,449,709.28 : x - Step 2: Convert to fraction form
5,235,843.68/7,852,890.72 = 1,449,709.28/x - Step 3: Cross multiply
5,235,843.68x = 7,852,890.72 × 1,449,709.28 - Step 4: Simplify right side
5,235,843.68x = 11,384,408,551,609.88 - Step 5: Solve for x
x = 11,384,408,551,609.88/5,235,843.68 - Step 6: Final answer
x = 2,174,321.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.