Finding the Fourth Proportional to 2,628,163.92, 3,626,871.48 and 1,420,939.92
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Solution
The fourth proportional to 2,628,163.92, 3,626,871.48 and 1,420,939.92 is: 1,960,899.94
Step by Step Solution
- Step 1: Write the proportion equation
2,628,163.92 : 3,626,871.48 = 1,420,939.92 : x - Step 2: Convert to fraction form
2,628,163.92/3,626,871.48 = 1,420,939.92/x - Step 3: Cross multiply
2,628,163.92x = 3,626,871.48 × 1,420,939.92 - Step 4: Simplify right side
2,628,163.92x = 5,153,566,470,641.48 - Step 5: Solve for x
x = 5,153,566,470,641.48/2,628,163.92 - Step 6: Final answer
x = 1,960,899.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.