Finding the Fourth Proportional to 5,460,022.19, 7,534,988.30 and 3,012,790.88
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Solution
The fourth proportional to 5,460,022.19, 7,534,988.30 and 3,012,790.88 is: 4,157,738.41
Step by Step Solution
- Step 1: Write the proportion equation
5,460,022.19 : 7,534,988.30 = 3,012,790.88 : x - Step 2: Convert to fraction form
5,460,022.19/7,534,988.30 = 3,012,790.88/x - Step 3: Cross multiply
5,460,022.19x = 7,534,988.30 × 3,012,790.88 - Step 4: Simplify right side
5,460,022.19x = 22,701,343,978,407.81 - Step 5: Solve for x
x = 22,701,343,978,407.81/5,460,022.19 - Step 6: Final answer
x = 4,157,738.41
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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.