Finding the Fourth Proportional to 5,456,765.07, 8,183,750.97 and 1,617,689.75
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Solution
The fourth proportional to 5,456,765.07, 8,183,750.97 and 1,617,689.75 is: 2,426,120.57
Step by Step Solution
- Step 1: Write the proportion equation
5,456,765.07 : 8,183,750.97 = 1,617,689.75 : x - Step 2: Convert to fraction form
5,456,765.07/8,183,750.97 = 1,617,689.75/x - Step 3: Cross multiply
5,456,765.07x = 8,183,750.97 × 1,617,689.75 - Step 4: Simplify right side
5,456,765.07x = 13,238,770,013,736.47 - Step 5: Solve for x
x = 13,238,770,013,736.47/5,456,765.07 - Step 6: Final answer
x = 2,426,120.57
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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.