Finding the Fourth Proportional to 1,939,554.21, 2,906,715.63 and 980,686.28
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Solution
The fourth proportional to 1,939,554.21, 2,906,715.63 and 980,686.28 is: 1,469,706.86
Step by Step Solution
- Step 1: Write the proportion equation
1,939,554.21 : 2,906,715.63 = 980,686.28 : x - Step 2: Convert to fraction form
1,939,554.21/2,906,715.63 = 980,686.28/x - Step 3: Cross multiply
1,939,554.21x = 2,906,715.63 × 980,686.28 - Step 4: Simplify right side
1,939,554.21x = 2,850,576,123,668.98 - Step 5: Solve for x
x = 2,850,576,123,668.98/1,939,554.21 - Step 6: Final answer
x = 1,469,706.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.