Finding the Fourth Proportional to 6,757,431.40, 10,136,062.52 and 1,639,903.68
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Solution
The fourth proportional to 6,757,431.40, 10,136,062.52 and 1,639,903.68 is: 2,459,834.99
Step by Step Solution
- Step 1: Write the proportion equation
6,757,431.40 : 10,136,062.52 = 1,639,903.68 : x - Step 2: Convert to fraction form
6,757,431.40/10,136,062.52 = 1,639,903.68/x - Step 3: Cross multiply
6,757,431.40x = 10,136,062.52 × 1,639,903.68 - Step 4: Simplify right side
6,757,431.40x = 16,622,166,227,258.07 - Step 5: Solve for x
x = 16,622,166,227,258.07/6,757,431.40 - Step 6: Final answer
x = 2,459,834.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.