Finding the Fourth Proportional to 2,405,286.36, 3,319,348.68 and 1,372,773.48
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Solution
The fourth proportional to 2,405,286.36, 3,319,348.68 and 1,372,773.48 is: 1,894,457.94
Step by Step Solution
- Step 1: Write the proportion equation
2,405,286.36 : 3,319,348.68 = 1,372,773.48 : x - Step 2: Convert to fraction form
2,405,286.36/3,319,348.68 = 1,372,773.48/x - Step 3: Cross multiply
2,405,286.36x = 3,319,348.68 × 1,372,773.48 - Step 4: Simplify right side
2,405,286.36x = 4,556,713,838,777.01 - Step 5: Solve for x
x = 4,556,713,838,777.01/2,405,286.36 - Step 6: Final answer
x = 1,894,457.94
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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.