Finding the Fourth Proportional to 3,440,583.60, 5,159,125.80 and 2,021,074.80
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Solution
The fourth proportional to 3,440,583.60, 5,159,125.80 and 2,021,074.80 is: 3,030,584.45
Step by Step Solution
- Step 1: Write the proportion equation
3,440,583.60 : 5,159,125.80 = 2,021,074.80 : x - Step 2: Convert to fraction form
3,440,583.60/5,159,125.80 = 2,021,074.80/x - Step 3: Cross multiply
3,440,583.60x = 5,159,125.80 × 2,021,074.80 - Step 4: Simplify right side
3,440,583.60x = 10,426,979,144,409.84 - Step 5: Solve for x
x = 10,426,979,144,409.84/3,440,583.60 - Step 6: Final answer
x = 3,030,584.45
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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.