Finding the Fourth Proportional to 7,951,350.19, 11,925,605.36 and 2,115,569.45
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Solution
The fourth proportional to 7,951,350.19, 11,925,605.36 and 2,115,569.45 is: 3,172,976.38
Step by Step Solution
- Step 1: Write the proportion equation
7,951,350.19 : 11,925,605.36 = 2,115,569.45 : x - Step 2: Convert to fraction form
7,951,350.19/11,925,605.36 = 2,115,569.45/x - Step 3: Cross multiply
7,951,350.19x = 11,925,605.36 × 2,115,569.45 - Step 4: Simplify right side
7,951,350.19x = 25,229,446,372,372.25 - Step 5: Solve for x
x = 25,229,446,372,372.25/7,951,350.19 - Step 6: Final answer
x = 3,172,976.38
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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.