Finding the Fourth Proportional to 5,253,644.40, 7,880,702.66 and 1,610,107.36
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Solution
The fourth proportional to 5,253,644.40, 7,880,702.66 and 1,610,107.36 is: 2,415,233.39
Step by Step Solution
- Step 1: Write the proportion equation
5,253,644.40 : 7,880,702.66 = 1,610,107.36 : x - Step 2: Convert to fraction form
5,253,644.40/7,880,702.66 = 1,610,107.36/x - Step 3: Cross multiply
5,253,644.40x = 7,880,702.66 × 1,610,107.36 - Step 4: Simplify right side
5,253,644.40x = 12,688,777,354,837.58 - Step 5: Solve for x
x = 12,688,777,354,837.58/5,253,644.40 - Step 6: Final answer
x = 2,415,233.39
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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.