Finding the Fourth Proportional to 3,946,752.07, 5,446,517.80 and 2,135,916.07
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Solution
The fourth proportional to 3,946,752.07, 5,446,517.80 and 2,135,916.07 is: 2,947,564.15
Step by Step Solution
- Step 1: Write the proportion equation
3,946,752.07 : 5,446,517.80 = 2,135,916.07 : x - Step 2: Convert to fraction form
3,946,752.07/5,446,517.80 = 2,135,916.07/x - Step 3: Cross multiply
3,946,752.07x = 5,446,517.80 × 2,135,916.07 - Step 4: Simplify right side
3,946,752.07x = 11,633,304,894,561.04 - Step 5: Solve for x
x = 11,633,304,894,561.04/3,946,752.07 - Step 6: Final answer
x = 2,947,564.15
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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.