Finding the Fourth Proportional to 2,532,121.81, 3,494,328.00 and 1,386,202.16
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Solution
The fourth proportional to 2,532,121.81, 3,494,328.00 and 1,386,202.16 is: 1,912,958.92
Step by Step Solution
- Step 1: Write the proportion equation
2,532,121.81 : 3,494,328.00 = 1,386,202.16 : x - Step 2: Convert to fraction form
2,532,121.81/3,494,328.00 = 1,386,202.16/x - Step 3: Cross multiply
2,532,121.81x = 3,494,328.00 × 1,386,202.16 - Step 4: Simplify right side
2,532,121.81x = 4,843,845,013,027.84 - Step 5: Solve for x
x = 4,843,845,013,027.84/2,532,121.81 - Step 6: Final answer
x = 1,912,958.92
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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.