Finding the Fourth Proportional to 5,393,914.84, 7,443,828.68 and 3,102,077.32
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Solution
The fourth proportional to 5,393,914.84, 7,443,828.68 and 3,102,077.32 is: 4,280,996.79
Step by Step Solution
- Step 1: Write the proportion equation
5,393,914.84 : 7,443,828.68 = 3,102,077.32 : x - Step 2: Convert to fraction form
5,393,914.84/7,443,828.68 = 3,102,077.32/x - Step 3: Cross multiply
5,393,914.84x = 7,443,828.68 × 3,102,077.32 - Step 4: Simplify right side
5,393,914.84x = 23,091,332,122,193.54 - Step 5: Solve for x
x = 23,091,332,122,193.54/5,393,914.84 - Step 6: Final answer
x = 4,280,996.79
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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.