Finding the Fourth Proportional to 3,091,927.16, 4,266,864.49 and 1,715,270.90
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Solution
The fourth proportional to 3,091,927.16, 4,266,864.49 and 1,715,270.90 is: 2,367,076.62
Step by Step Solution
- Step 1: Write the proportion equation
3,091,927.16 : 4,266,864.49 = 1,715,270.90 : x - Step 2: Convert to fraction form
3,091,927.16/4,266,864.49 = 1,715,270.90/x - Step 3: Cross multiply
3,091,927.16x = 4,266,864.49 × 1,715,270.90 - Step 4: Simplify right side
3,091,927.16x = 7,318,828,495,535.09 - Step 5: Solve for x
x = 7,318,828,495,535.09/3,091,927.16 - Step 6: Final answer
x = 2,367,076.62
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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.