Finding the Fourth Proportional to 4,190,585.48, 6,286,283.34 and 1,665,674.12
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Solution
The fourth proportional to 4,190,585.48, 6,286,283.34 and 1,665,674.12 is: 2,498,672.21
Step by Step Solution
- Step 1: Write the proportion equation
4,190,585.48 : 6,286,283.34 = 1,665,674.12 : x - Step 2: Convert to fraction form
4,190,585.48/6,286,283.34 = 1,665,674.12/x - Step 3: Cross multiply
4,190,585.48x = 6,286,283.34 × 1,665,674.12 - Step 4: Simplify right side
4,190,585.48x = 10,470,899,470,425.16 - Step 5: Solve for x
x = 10,470,899,470,425.16/4,190,585.48 - Step 6: Final answer
x = 2,498,672.21
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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.