Finding the Fourth Proportional to 2,369,819.80, 3,554,729.70 and 2,201,858.20
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Solution
The fourth proportional to 2,369,819.80, 3,554,729.70 and 2,201,858.20 is: 3,302,787.30
Step by Step Solution
- Step 1: Write the proportion equation
2,369,819.80 : 3,554,729.70 = 2,201,858.20 : x - Step 2: Convert to fraction form
2,369,819.80/3,554,729.70 = 2,201,858.20/x - Step 3: Cross multiply
2,369,819.80x = 3,554,729.70 × 2,201,858.20 - Step 4: Simplify right side
2,369,819.80x = 7,827,010,738,728.54 - Step 5: Solve for x
x = 7,827,010,738,728.54/2,369,819.80 - Step 6: Final answer
x = 3,302,787.30
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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.