Finding the Fourth Proportional to 2,125,147.05, 2,932,704.02 and 1,207,377.81
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Solution
The fourth proportional to 2,125,147.05, 2,932,704.02 and 1,207,377.81 is: 1,666,182.00
Step by Step Solution
- Step 1: Write the proportion equation
2,125,147.05 : 2,932,704.02 = 1,207,377.81 : x - Step 2: Convert to fraction form
2,125,147.05/2,932,704.02 = 1,207,377.81/x - Step 3: Cross multiply
2,125,147.05x = 2,932,704.02 × 1,207,377.81 - Step 4: Simplify right side
2,125,147.05x = 3,540,881,760,064.24 - Step 5: Solve for x
x = 3,540,881,760,064.24/2,125,147.05 - Step 6: Final answer
x = 1,666,182.00
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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.