Finding the Fourth Proportional to 4,303,665.60, 6,453,989.64 and 1,270,222.08
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Solution
The fourth proportional to 4,303,665.60, 6,453,989.64 and 1,270,222.08 is: 1,904,887.81
Step by Step Solution
- Step 1: Write the proportion equation
4,303,665.60 : 6,453,989.64 = 1,270,222.08 : x - Step 2: Convert to fraction form
4,303,665.60/6,453,989.64 = 1,270,222.08/x - Step 3: Cross multiply
4,303,665.60x = 6,453,989.64 × 1,270,222.08 - Step 4: Simplify right side
4,303,665.60x = 8,198,000,144,819.25 - Step 5: Solve for x
x = 8,198,000,144,819.25/4,303,665.60 - Step 6: Final answer
x = 1,904,887.81
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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.