Finding the Fourth Proportional to 5,156,305.48, 7,731,736.38 and 1,743,419.08
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Solution
The fourth proportional to 5,156,305.48, 7,731,736.38 and 1,743,419.08 is: 2,614,208.33
Step by Step Solution
- Step 1: Write the proportion equation
5,156,305.48 : 7,731,736.38 = 1,743,419.08 : x - Step 2: Convert to fraction form
5,156,305.48/7,731,736.38 = 1,743,419.08/x - Step 3: Cross multiply
5,156,305.48x = 7,731,736.38 × 1,743,419.08 - Step 4: Simplify right side
5,156,305.48x = 13,479,656,726,422.13 - Step 5: Solve for x
x = 13,479,656,726,422.13/5,156,305.48 - Step 6: Final answer
x = 2,614,208.33
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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.