Finding the Fourth Proportional to 6,863,628.53, 9,471,803.69 and 3,766,172.23
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Solution
The fourth proportional to 6,863,628.53, 9,471,803.69 and 3,766,172.23 is: 5,197,315.65
Step by Step Solution
- Step 1: Write the proportion equation
6,863,628.53 : 9,471,803.69 = 3,766,172.23 : x - Step 2: Convert to fraction form
6,863,628.53/9,471,803.69 = 3,766,172.23/x - Step 3: Cross multiply
6,863,628.53x = 9,471,803.69 × 3,766,172.23 - Step 4: Simplify right side
6,863,628.53x = 35,672,443,977,930.51 - Step 5: Solve for x
x = 35,672,443,977,930.51/6,863,628.53 - Step 6: Final answer
x = 5,197,315.65
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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.