Finding the Fourth Proportional to 1,485,405.68, 2,049,865.99 and 840,950.24
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Solution
The fourth proportional to 1,485,405.68, 2,049,865.99 and 840,950.24 is: 1,160,514.81
Step by Step Solution
- Step 1: Write the proportion equation
1,485,405.68 : 2,049,865.99 = 840,950.24 : x - Step 2: Convert to fraction form
1,485,405.68/2,049,865.99 = 840,950.24/x - Step 3: Cross multiply
1,485,405.68x = 2,049,865.99 × 840,950.24 - Step 4: Simplify right side
1,485,405.68x = 1,723,835,283,906.63 - Step 5: Solve for x
x = 1,723,835,283,906.63/1,485,405.68 - Step 6: Final answer
x = 1,160,514.81
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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.