Finding the Fourth Proportional to 2,951,209.57, 4,072,561.69 and 1,644,394.09
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Solution
The fourth proportional to 2,951,209.57, 4,072,561.69 and 1,644,394.09 is: 2,269,203.93
Step by Step Solution
- Step 1: Write the proportion equation
2,951,209.57 : 4,072,561.69 = 1,644,394.09 : x - Step 2: Convert to fraction form
2,951,209.57/4,072,561.69 = 1,644,394.09/x - Step 3: Cross multiply
2,951,209.57x = 4,072,561.69 × 1,644,394.09 - Step 4: Simplify right side
2,951,209.57x = 6,696,896,365,974.44 - Step 5: Solve for x
x = 6,696,896,365,974.44/2,951,209.57 - Step 6: Final answer
x = 2,269,203.93
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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.