Finding the Fourth Proportional to 6,453,316.72, 9,679,977.96 and 2,662,633.20
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Solution
The fourth proportional to 6,453,316.72, 9,679,977.96 and 2,662,633.20 is: 3,993,950.99
Step by Step Solution
- Step 1: Write the proportion equation
6,453,316.72 : 9,679,977.96 = 2,662,633.20 : x - Step 2: Convert to fraction form
6,453,316.72/9,679,977.96 = 2,662,633.20/x - Step 3: Cross multiply
6,453,316.72x = 9,679,977.96 × 2,662,633.20 - Step 4: Simplify right side
6,453,316.72x = 25,774,230,691,564.28 - Step 5: Solve for x
x = 25,774,230,691,564.28/6,453,316.72 - Step 6: Final answer
x = 3,993,950.99
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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.