Finding the Fourth Proportional to 5,460,576.35, 8,190,864.53 and 2,427,936.35
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Solution
The fourth proportional to 5,460,576.35, 8,190,864.53 and 2,427,936.35 is: 3,641,904.53
Step by Step Solution
- Step 1: Write the proportion equation
5,460,576.35 : 8,190,864.53 = 2,427,936.35 : x - Step 2: Convert to fraction form
5,460,576.35/8,190,864.53 = 2,427,936.35/x - Step 3: Cross multiply
5,460,576.35x = 8,190,864.53 × 2,427,936.35 - Step 4: Simplify right side
5,460,576.35x = 19,886,897,718,172.98 - Step 5: Solve for x
x = 19,886,897,718,172.98/5,460,576.35 - Step 6: Final answer
x = 3,641,904.53
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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.