Finding the Fourth Proportional to 4,914,536.48, 7,371,306.47 and 1,319,836.33
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Solution
The fourth proportional to 4,914,536.48, 7,371,306.47 and 1,319,836.33 is: 1,979,620.69
Step by Step Solution
- Step 1: Write the proportion equation
4,914,536.48 : 7,371,306.47 = 1,319,836.33 : x - Step 2: Convert to fraction form
4,914,536.48/7,371,306.47 = 1,319,836.33/x - Step 3: Cross multiply
4,914,536.48x = 7,371,306.47 × 1,319,836.33 - Step 4: Simplify right side
4,914,536.48x = 9,728,918,063,541.38 - Step 5: Solve for x
x = 9,728,918,063,541.38/4,914,536.48 - Step 6: Final answer
x = 1,979,620.69
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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.