Finding the Fourth Proportional to 1,672,810.70, 2,511,184.35 and 1,661,000.90
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Solution
The fourth proportional to 1,672,810.70, 2,511,184.35 and 1,661,000.90 is: 2,493,455.75
Step by Step Solution
- Step 1: Write the proportion equation
1,672,810.70 : 2,511,184.35 = 1,661,000.90 : x - Step 2: Convert to fraction form
1,672,810.70/2,511,184.35 = 1,661,000.90/x - Step 3: Cross multiply
1,672,810.70x = 2,511,184.35 × 1,661,000.90 - Step 4: Simplify right side
1,672,810.70x = 4,171,079,465,415.92 - Step 5: Solve for x
x = 4,171,079,465,415.92/1,672,810.70 - Step 6: Final answer
x = 2,493,455.75
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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.