Finding the Fourth Proportional to 5,281,770.15, 7,912,339.99 and 3,640,156.70
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Solution
The fourth proportional to 5,281,770.15, 7,912,339.99 and 3,640,156.70 is: 5,453,125.86
Step by Step Solution
- Step 1: Write the proportion equation
5,281,770.15 : 7,912,339.99 = 3,640,156.70 : x - Step 2: Convert to fraction form
5,281,770.15/7,912,339.99 = 3,640,156.70/x - Step 3: Cross multiply
5,281,770.15x = 7,912,339.99 × 3,640,156.70 - Step 4: Simplify right side
5,281,770.15x = 28,802,157,387,714.73 - Step 5: Solve for x
x = 28,802,157,387,714.73/5,281,770.15 - Step 6: Final answer
x = 5,453,125.86
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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.