Finding the Fourth Proportional to 4,512,815.97, 6,227,655.19 and 2,447,823.23
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Solution
The fourth proportional to 4,512,815.97, 6,227,655.19 and 2,447,823.23 is: 3,377,979.32
Step by Step Solution
- Step 1: Write the proportion equation
4,512,815.97 : 6,227,655.19 = 2,447,823.23 : x - Step 2: Convert to fraction form
4,512,815.97/6,227,655.19 = 2,447,823.23/x - Step 3: Cross multiply
4,512,815.97x = 6,227,655.19 × 2,447,823.23 - Step 4: Simplify right side
4,512,815.97x = 15,244,199,042,512.06 - Step 5: Solve for x
x = 15,244,199,042,512.06/4,512,815.97 - Step 6: Final answer
x = 3,377,979.32
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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.