Finding the Fourth Proportional to 4,988,156.20, 6,883,652.42 and 2,696,316.84
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Solution
The fourth proportional to 4,988,156.20, 6,883,652.42 and 2,696,316.84 is: 3,720,915.54
Step by Step Solution
- Step 1: Write the proportion equation
4,988,156.20 : 6,883,652.42 = 2,696,316.84 : x - Step 2: Convert to fraction form
4,988,156.20/6,883,652.42 = 2,696,316.84/x - Step 3: Cross multiply
4,988,156.20x = 6,883,652.42 × 2,696,316.84 - Step 4: Simplify right side
4,988,156.20x = 18,560,507,940,752.75 - Step 5: Solve for x
x = 18,560,507,940,752.75/4,988,156.20 - Step 6: Final answer
x = 3,720,915.54
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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.