Finding the Fourth Proportional to 3,864,571.36, 5,333,007 and 2,145,647.68
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Solution
The fourth proportional to 3,864,571.36, 5,333,007 and 2,145,647.68 is: 2,960,937.46
Step by Step Solution
- Step 1: Write the proportion equation
3,864,571.36 : 5,333,007 = 2,145,647.68 : x - Step 2: Convert to fraction form
3,864,571.36/5,333,007 = 2,145,647.68/x - Step 3: Cross multiply
3,864,571.36x = 5,333,007 × 2,145,647.68 - Step 4: Simplify right side
3,864,571.36x = 11,442,754,096,973.76 - Step 5: Solve for x
x = 11,442,754,096,973.76/3,864,571.36 - Step 6: Final answer
x = 2,960,937.46
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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.