Finding the Fourth Proportional to 3,560,977.68, 4,913,988.84 and 1,951,311.12
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Solution
The fourth proportional to 3,560,977.68, 4,913,988.84 and 1,951,311.12 is: 2,692,721.47
Step by Step Solution
- Step 1: Write the proportion equation
3,560,977.68 : 4,913,988.84 = 1,951,311.12 : x - Step 2: Convert to fraction form
3,560,977.68/4,913,988.84 = 1,951,311.12/x - Step 3: Cross multiply
3,560,977.68x = 4,913,988.84 × 1,951,311.12 - Step 4: Simplify right side
3,560,977.68x = 9,588,721,067,047.90 - Step 5: Solve for x
x = 9,588,721,067,047.90/3,560,977.68 - Step 6: Final answer
x = 2,692,721.47
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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.