Finding the Fourth Proportional to 5,245,603.14, 7,239,622.17 and 2,954,211.78
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Solution
The fourth proportional to 5,245,603.14, 7,239,622.17 and 2,954,211.78 is: 4,077,200.76
Step by Step Solution
- Step 1: Write the proportion equation
5,245,603.14 : 7,239,622.17 = 2,954,211.78 : x - Step 2: Convert to fraction form
5,245,603.14/7,239,622.17 = 2,954,211.78/x - Step 3: Cross multiply
5,245,603.14x = 7,239,622.17 × 2,954,211.78 - Step 4: Simplify right side
5,245,603.14x = 21,387,377,097,363.16 - Step 5: Solve for x
x = 21,387,377,097,363.16/5,245,603.14 - Step 6: Final answer
x = 4,077,200.76
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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.