Finding the Fourth Proportional to 2,666,878.45, 3,680,292.27 and 1,443,183.99
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Solution
The fourth proportional to 2,666,878.45, 3,680,292.27 and 1,443,183.99 is: 1,991,593.91
Step by Step Solution
- Step 1: Write the proportion equation
2,666,878.45 : 3,680,292.27 = 1,443,183.99 : x - Step 2: Convert to fraction form
2,666,878.45/3,680,292.27 = 1,443,183.99/x - Step 3: Cross multiply
2,666,878.45x = 3,680,292.27 × 1,443,183.99 - Step 4: Simplify right side
2,666,878.45x = 5,311,338,875,368.84 - Step 5: Solve for x
x = 5,311,338,875,368.84/2,666,878.45 - Step 6: Final answer
x = 1,991,593.91
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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.