Finding the Fourth Proportional to 1,664,614.07, 2,296,921.12 and 1,010,900.13
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Solution
The fourth proportional to 1,664,614.07, 2,296,921.12 and 1,010,900.13 is: 1,394,892.61
Step by Step Solution
- Step 1: Write the proportion equation
1,664,614.07 : 2,296,921.12 = 1,010,900.13 : x - Step 2: Convert to fraction form
1,664,614.07/2,296,921.12 = 1,010,900.13/x - Step 3: Cross multiply
1,664,614.07x = 2,296,921.12 × 1,010,900.13 - Step 4: Simplify right side
1,664,614.07x = 2,321,957,858,807.75 - Step 5: Solve for x
x = 2,321,957,858,807.75/1,664,614.07 - Step 6: Final answer
x = 1,394,892.61
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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.