Finding the Fourth Proportional to 1,350,349.92, 1,855,689.26 and 1,287,903.78
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Solution
The fourth proportional to 1,350,349.92, 1,855,689.26 and 1,287,903.78 is: 1,769,873.99
Step by Step Solution
- Step 1: Write the proportion equation
1,350,349.92 : 1,855,689.26 = 1,287,903.78 : x - Step 2: Convert to fraction form
1,350,349.92/1,855,689.26 = 1,287,903.78/x - Step 3: Cross multiply
1,350,349.92x = 1,855,689.26 × 1,287,903.78 - Step 4: Simplify right side
1,350,349.92x = 2,389,949,206,019.88 - Step 5: Solve for x
x = 2,389,949,206,019.88/1,350,349.92 - Step 6: Final answer
x = 1,769,873.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.