Finding the Fourth Proportional to 4,157,107.96, 5,737,292.99 and 3,458,154.05
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Solution
The fourth proportional to 4,157,107.96, 5,737,292.99 and 3,458,154.05 is: 4,772,655.22
Step by Step Solution
- Step 1: Write the proportion equation
4,157,107.96 : 5,737,292.99 = 3,458,154.05 : x - Step 2: Convert to fraction form
4,157,107.96/5,737,292.99 = 3,458,154.05/x - Step 3: Cross multiply
4,157,107.96x = 5,737,292.99 × 3,458,154.05 - Step 4: Simplify right side
4,157,107.96x = 19,840,442,989,405.11 - Step 5: Solve for x
x = 19,840,442,989,405.11/4,157,107.96 - Step 6: Final answer
x = 4,772,655.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.