Finding the Fourth Proportional to 1,382,816.09, 2,072,343.30 and 814,458.53
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Solution
The fourth proportional to 1,382,816.09, 2,072,343.30 and 814,458.53 is: 1,220,580.01
Step by Step Solution
- Step 1: Write the proportion equation
1,382,816.09 : 2,072,343.30 = 814,458.53 : x - Step 2: Convert to fraction form
1,382,816.09/2,072,343.30 = 814,458.53/x - Step 3: Cross multiply
1,382,816.09x = 2,072,343.30 × 814,458.53 - Step 4: Simplify right side
1,382,816.09x = 1,687,837,667,411.63 - Step 5: Solve for x
x = 1,687,837,667,411.63/1,382,816.09 - Step 6: Final answer
x = 1,220,580.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.