Finding the Fourth Proportional to 2,836,684.13, 3,914,624.09 and 1,818,088.88
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Solution
The fourth proportional to 2,836,684.13, 3,914,624.09 and 1,818,088.88 is: 2,508,962.65
Step by Step Solution
- Step 1: Write the proportion equation
2,836,684.13 : 3,914,624.09 = 1,818,088.88 : x - Step 2: Convert to fraction form
2,836,684.13/3,914,624.09 = 1,818,088.88/x - Step 3: Cross multiply
2,836,684.13x = 3,914,624.09 × 1,818,088.88 - Step 4: Simplify right side
2,836,684.13x = 7,117,134,512,381.22 - Step 5: Solve for x
x = 7,117,134,512,381.22/2,836,684.13 - Step 6: Final answer
x = 2,508,962.65
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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.