Finding the Fourth Proportional to 5,194,128.70, 7,791,326.70 and 2,461,034.80
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Solution
The fourth proportional to 5,194,128.70, 7,791,326.70 and 2,461,034.80 is: 3,691,615.52
Step by Step Solution
- Step 1: Write the proportion equation
5,194,128.70 : 7,791,326.70 = 2,461,034.80 : x - Step 2: Convert to fraction form
5,194,128.70/7,791,326.70 = 2,461,034.80/x - Step 3: Cross multiply
5,194,128.70x = 7,791,326.70 × 2,461,034.80 - Step 4: Simplify right side
5,194,128.70x = 19,174,726,146,869.16 - Step 5: Solve for x
x = 19,174,726,146,869.16/5,194,128.70 - Step 6: Final answer
x = 3,691,615.52
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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.