Finding the Fourth Proportional to 5,152,059.75, 7,728,980.80 and 1,740,371.18
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Solution
The fourth proportional to 5,152,059.75, 7,728,980.80 and 1,740,371.18 is: 2,610,857.82
Step by Step Solution
- Step 1: Write the proportion equation
5,152,059.75 : 7,728,980.80 = 1,740,371.18 : x - Step 2: Convert to fraction form
5,152,059.75/7,728,980.80 = 1,740,371.18/x - Step 3: Cross multiply
5,152,059.75x = 7,728,980.80 × 1,740,371.18 - Step 4: Simplify right side
5,152,059.75x = 13,451,295,460,942.19 - Step 5: Solve for x
x = 13,451,295,460,942.19/5,152,059.75 - Step 6: Final answer
x = 2,610,857.82
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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.