Finding the Fourth Proportional to 4,840,734.24, 6,680,372.40 and 2,665,437.12
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Solution
The fourth proportional to 4,840,734.24, 6,680,372.40 and 2,665,437.12 is: 3,678,390.86
Step by Step Solution
- Step 1: Write the proportion equation
4,840,734.24 : 6,680,372.40 = 2,665,437.12 : x - Step 2: Convert to fraction form
4,840,734.24/6,680,372.40 = 2,665,437.12/x - Step 3: Cross multiply
4,840,734.24x = 6,680,372.40 × 2,665,437.12 - Step 4: Simplify right side
4,840,734.24x = 17,806,112,570,383.49 - Step 5: Solve for x
x = 17,806,112,570,383.49/4,840,734.24 - Step 6: Final answer
x = 3,678,390.86
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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.