Finding the Fourth Proportional to 4,381,820.75, 6,045,876.32 and 2,545,187.70
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Solution
The fourth proportional to 4,381,820.75, 6,045,876.32 and 2,545,187.70 is: 3,511,757.08
Step by Step Solution
- Step 1: Write the proportion equation
4,381,820.75 : 6,045,876.32 = 2,545,187.70 : x - Step 2: Convert to fraction form
4,381,820.75/6,045,876.32 = 2,545,187.70/x - Step 3: Cross multiply
4,381,820.75x = 6,045,876.32 × 2,545,187.70 - Step 4: Simplify right side
4,381,820.75x = 15,387,890,055,331.36 - Step 5: Solve for x
x = 15,387,890,055,331.36/4,381,820.75 - Step 6: Final answer
x = 3,511,757.08
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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.