Finding the Fourth Proportional to 5,125,405.72, 7,688,183.10 and 1,338,889
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Solution
The fourth proportional to 5,125,405.72, 7,688,183.10 and 1,338,889 is: 2,008,352.97
Step by Step Solution
- Step 1: Write the proportion equation
5,125,405.72 : 7,688,183.10 = 1,338,889 : x - Step 2: Convert to fraction form
5,125,405.72/7,688,183.10 = 1,338,889/x - Step 3: Cross multiply
5,125,405.72x = 7,688,183.10 × 1,338,889 - Step 4: Simplify right side
5,125,405.72x = 10,293,623,782,575.90 - Step 5: Solve for x
x = 10,293,623,782,575.90/5,125,405.72 - Step 6: Final answer
x = 2,008,352.97
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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.