Finding the Fourth Proportional to 2,726,545.30, 3,762,912.45 and 1,639,171.06
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Solution
The fourth proportional to 2,726,545.30, 3,762,912.45 and 1,639,171.06 is: 2,262,224.36
Step by Step Solution
- Step 1: Write the proportion equation
2,726,545.30 : 3,762,912.45 = 1,639,171.06 : x - Step 2: Convert to fraction form
2,726,545.30/3,762,912.45 = 1,639,171.06/x - Step 3: Cross multiply
2,726,545.30x = 3,762,912.45 × 1,639,171.06 - Step 4: Simplify right side
2,726,545.30x = 6,168,057,189,353.70 - Step 5: Solve for x
x = 6,168,057,189,353.70/2,726,545.30 - Step 6: Final answer
x = 2,262,224.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.