Finding the Fourth Proportional to 2,114,344.80, 2,917,797.84 and 1,147,475.28
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Solution
The fourth proportional to 2,114,344.80, 2,917,797.84 and 1,147,475.28 is: 1,583,516.98
Step by Step Solution
- Step 1: Write the proportion equation
2,114,344.80 : 2,917,797.84 = 1,147,475.28 : x - Step 2: Convert to fraction form
2,114,344.80/2,917,797.84 = 1,147,475.28/x - Step 3: Cross multiply
2,114,344.80x = 2,917,797.84 × 1,147,475.28 - Step 4: Simplify right side
2,114,344.80x = 3,348,100,893,437.40 - Step 5: Solve for x
x = 3,348,100,893,437.40/2,114,344.80 - Step 6: Final answer
x = 1,583,516.98
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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.