Finding the Fourth Proportional to 1,395,687.63, 1,925,130.37 and 1,007,857.20
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Solution
The fourth proportional to 1,395,687.63, 1,925,130.37 and 1,007,857.20 is: 1,390,179.62
Step by Step Solution
- Step 1: Write the proportion equation
1,395,687.63 : 1,925,130.37 = 1,007,857.20 : x - Step 2: Convert to fraction form
1,395,687.63/1,925,130.37 = 1,007,857.20/x - Step 3: Cross multiply
1,395,687.63x = 1,925,130.37 × 1,007,857.20 - Step 4: Simplify right side
1,395,687.63x = 1,940,256,504,343.16 - Step 5: Solve for x
x = 1,940,256,504,343.16/1,395,687.63 - Step 6: Final answer
x = 1,390,179.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.