Finding the Fourth Proportional to 5,284,390.80, 7,926,586.20 and 1,295,302.80
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Solution
The fourth proportional to 5,284,390.80, 7,926,586.20 and 1,295,302.80 is: 1,942,954.20
Step by Step Solution
- Step 1: Write the proportion equation
5,284,390.80 : 7,926,586.20 = 1,295,302.80 : x - Step 2: Convert to fraction form
5,284,390.80/7,926,586.20 = 1,295,302.80/x - Step 3: Cross multiply
5,284,390.80x = 7,926,586.20 × 1,295,302.80 - Step 4: Simplify right side
5,284,390.80x = 10,267,329,299,301.36 - Step 5: Solve for x
x = 10,267,329,299,301.36/5,284,390.80 - Step 6: Final answer
x = 1,942,954.20
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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.