Finding the Fourth Proportional to 3,914,989.84, 5,402,808.84 and 2,261,106.23
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Solution
The fourth proportional to 3,914,989.84, 5,402,808.84 and 2,261,106.23 is: 3,120,397.56
Step by Step Solution
- Step 1: Write the proportion equation
3,914,989.84 : 5,402,808.84 = 2,261,106.23 : x - Step 2: Convert to fraction form
3,914,989.84/5,402,808.84 = 2,261,106.23/x - Step 3: Cross multiply
3,914,989.84x = 5,402,808.84 × 2,261,106.23 - Step 4: Simplify right side
3,914,989.84x = 12,216,324,727,623.07 - Step 5: Solve for x
x = 12,216,324,727,623.07/3,914,989.84 - Step 6: Final answer
x = 3,120,397.56
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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.