Finding the Fourth Proportional to 3,260,062.45, 4,890,819.39 and 1,071,730.99
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Solution
The fourth proportional to 3,260,062.45, 4,890,819.39 and 1,071,730.99 is: 1,607,835.06
Step by Step Solution
- Step 1: Write the proportion equation
3,260,062.45 : 4,890,819.39 = 1,071,730.99 : x - Step 2: Convert to fraction form
3,260,062.45/4,890,819.39 = 1,071,730.99/x - Step 3: Cross multiply
3,260,062.45x = 4,890,819.39 × 1,071,730.99 - Step 4: Simplify right side
3,260,062.45x = 5,241,642,706,755.90 - Step 5: Solve for x
x = 5,241,642,706,755.90/3,260,062.45 - Step 6: Final answer
x = 1,607,835.06
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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.