Finding the Fourth Proportional to 4,157,106.96, 5,737,291.61 and 3,458,153.05
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Solution
The fourth proportional to 4,157,106.96, 5,737,291.61 and 3,458,153.05 is: 4,772,653.84
Step by Step Solution
- Step 1: Write the proportion equation
4,157,106.96 : 5,737,291.61 = 3,458,153.05 : x - Step 2: Convert to fraction form
4,157,106.96/5,737,291.61 = 3,458,153.05/x - Step 3: Cross multiply
4,157,106.96x = 5,737,291.61 × 3,458,153.05 - Step 4: Simplify right side
4,157,106.96x = 19,840,432,467,679.03 - Step 5: Solve for x
x = 19,840,432,467,679.03/4,157,106.96 - Step 6: Final answer
x = 4,772,653.84
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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.