Finding the Fourth Proportional to 5,430,172.62, 8,145,266.49 and 2,313,420.60
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Solution
The fourth proportional to 5,430,172.62, 8,145,266.49 and 2,313,420.60 is: 3,470,134.12
Step by Step Solution
- Step 1: Write the proportion equation
5,430,172.62 : 8,145,266.49 = 2,313,420.60 : x - Step 2: Convert to fraction form
5,430,172.62/8,145,266.49 = 2,313,420.60/x - Step 3: Cross multiply
5,430,172.62x = 8,145,266.49 × 2,313,420.60 - Step 4: Simplify right side
5,430,172.62x = 18,843,427,290,455.70 - Step 5: Solve for x
x = 18,843,427,290,455.70/5,430,172.62 - Step 6: Final answer
x = 3,470,134.12
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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.