Finding the Fourth Proportional to 4,471,974.57, 6,171,510.33 and 2,538,415.05
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Solution
The fourth proportional to 4,471,974.57, 6,171,510.33 and 2,538,415.05 is: 3,503,118.02
Step by Step Solution
- Step 1: Write the proportion equation
4,471,974.57 : 6,171,510.33 = 2,538,415.05 : x - Step 2: Convert to fraction form
4,471,974.57/6,171,510.33 = 2,538,415.05/x - Step 3: Cross multiply
4,471,974.57x = 6,171,510.33 × 2,538,415.05 - Step 4: Simplify right side
4,471,974.57x = 15,665,854,702,902.46 - Step 5: Solve for x
x = 15,665,854,702,902.46/4,471,974.57 - Step 6: Final answer
x = 3,503,118.02
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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.