Finding the Fourth Proportional to 4,988,147.16, 6,883,640.04 and 2,696,307.84
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Solution
The fourth proportional to 4,988,147.16, 6,883,640.04 and 2,696,307.84 is: 3,720,903.18
Step by Step Solution
- Step 1: Write the proportion equation
4,988,147.16 : 6,883,640.04 = 2,696,307.84 : x - Step 2: Convert to fraction form
4,988,147.16/6,883,640.04 = 2,696,307.84/x - Step 3: Cross multiply
4,988,147.16x = 6,883,640.04 × 2,696,307.84 - Step 4: Simplify right side
4,988,147.16x = 18,560,412,607,589.91 - Step 5: Solve for x
x = 18,560,412,607,589.91/4,988,147.16 - Step 6: Final answer
x = 3,720,903.18
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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.