Finding the Fourth Proportional to 1,952,472.40, 2,930,458.20 and 1,686,533.20
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Solution
The fourth proportional to 1,952,472.40, 2,930,458.20 and 1,686,533.20 is: 2,531,311.09
Step by Step Solution
- Step 1: Write the proportion equation
1,952,472.40 : 2,930,458.20 = 1,686,533.20 : x - Step 2: Convert to fraction form
1,952,472.40/2,930,458.20 = 1,686,533.20/x - Step 3: Cross multiply
1,952,472.40x = 2,930,458.20 × 1,686,533.20 - Step 4: Simplify right side
1,952,472.40x = 4,942,315,045,512.24 - Step 5: Solve for x
x = 4,942,315,045,512.24/1,952,472.40 - Step 6: Final answer
x = 2,531,311.09
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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.