Finding the Fourth Proportional to 5,331,760.30, 7,997,972.81 and 2,136,471.29
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Solution
The fourth proportional to 5,331,760.30, 7,997,972.81 and 2,136,471.29 is: 3,204,840.11
Step by Step Solution
- Step 1: Write the proportion equation
5,331,760.30 : 7,997,972.81 = 2,136,471.29 : x - Step 2: Convert to fraction form
5,331,760.30/7,997,972.81 = 2,136,471.29/x - Step 3: Cross multiply
5,331,760.30x = 7,997,972.81 × 2,136,471.29 - Step 4: Simplify right side
5,331,760.30x = 17,087,439,266,085.80 - Step 5: Solve for x
x = 17,087,439,266,085.80/5,331,760.30 - Step 6: Final answer
x = 3,204,840.11
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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.