Finding the Fourth Proportional to 5,728,076.84, 7,904,686.14 and 4,264,529.36
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Solution
The fourth proportional to 5,728,076.84, 7,904,686.14 and 4,264,529.36 is: 5,885,005.92
Step by Step Solution
- Step 1: Write the proportion equation
5,728,076.84 : 7,904,686.14 = 4,264,529.36 : x - Step 2: Convert to fraction form
5,728,076.84/7,904,686.14 = 4,264,529.36/x - Step 3: Cross multiply
5,728,076.84x = 7,904,686.14 × 4,264,529.36 - Step 4: Simplify right side
5,728,076.84x = 33,709,766,125,615.07 - Step 5: Solve for x
x = 33,709,766,125,615.07/5,728,076.84 - Step 6: Final answer
x = 5,885,005.92
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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.