Finding the Fourth Proportional to 5,144,353.12, 7,716,532.99 and 1,306,463.36
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Solution
The fourth proportional to 5,144,353.12, 7,716,532.99 and 1,306,463.36 is: 1,959,695.88
Step by Step Solution
- Step 1: Write the proportion equation
5,144,353.12 : 7,716,532.99 = 1,306,463.36 : x - Step 2: Convert to fraction form
5,144,353.12/7,716,532.99 = 1,306,463.36/x - Step 3: Cross multiply
5,144,353.12x = 7,716,532.99 × 1,306,463.36 - Step 4: Simplify right side
5,144,353.12x = 10,081,367,621,672.54 - Step 5: Solve for x
x = 10,081,367,621,672.54/5,144,353.12 - Step 6: Final answer
x = 1,959,695.88
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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.