Finding the Fourth Proportional to 4,473,274.30, 6,709,911.45 and 1,107,481.30
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Solution
The fourth proportional to 4,473,274.30, 6,709,911.45 and 1,107,481.30 is: 1,661,221.95
Step by Step Solution
- Step 1: Write the proportion equation
4,473,274.30 : 6,709,911.45 = 1,107,481.30 : x - Step 2: Convert to fraction form
4,473,274.30/6,709,911.45 = 1,107,481.30/x - Step 3: Cross multiply
4,473,274.30x = 6,709,911.45 × 1,107,481.30 - Step 4: Simplify right side
4,473,274.30x = 7,431,101,455,530.89 - Step 5: Solve for x
x = 7,431,101,455,530.89/4,473,274.30 - Step 6: Final answer
x = 1,661,221.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.