Finding the Fourth Proportional to 1,445,711.09, 1,995,093.11 and 801,142.05
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Solution
The fourth proportional to 1,445,711.09, 1,995,093.11 and 801,142.05 is: 1,105,582.57
Step by Step Solution
- Step 1: Write the proportion equation
1,445,711.09 : 1,995,093.11 = 801,142.05 : x - Step 2: Convert to fraction form
1,445,711.09/1,995,093.11 = 801,142.05/x - Step 3: Cross multiply
1,445,711.09x = 1,995,093.11 × 801,142.05 - Step 4: Simplify right side
1,445,711.09x = 1,598,352,986,089.13 - Step 5: Solve for x
x = 1,598,352,986,089.13/1,445,711.09 - Step 6: Final answer
x = 1,105,582.57
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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.