Finding the Fourth Proportional to 937,639.95, 1,405,916.69 and 825,545.40
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Solution
The fourth proportional to 937,639.95, 1,405,916.69 and 825,545.40 is: 1,237,839.80
Step by Step Solution
- Step 1: Write the proportion equation
937,639.95 : 1,405,916.69 = 825,545.40 : x - Step 2: Convert to fraction form
937,639.95/1,405,916.69 = 825,545.40/x - Step 3: Cross multiply
937,639.95x = 1,405,916.69 × 825,545.40 - Step 4: Simplify right side
937,639.95x = 1,160,648,052,085.00 - Step 5: Solve for x
x = 1,160,648,052,085.00/937,639.95 - Step 6: Final answer
x = 1,237,839.80
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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.