Finding the Fourth Proportional to 6,607,786.68, 9,118,608.21 and 3,667,431.28
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Solution
The fourth proportional to 6,607,786.68, 9,118,608.21 and 3,667,431.28 is: 5,060,978.90
Step by Step Solution
- Step 1: Write the proportion equation
6,607,786.68 : 9,118,608.21 = 3,667,431.28 : x - Step 2: Convert to fraction form
6,607,786.68/9,118,608.21 = 3,667,431.28/x - Step 3: Cross multiply
6,607,786.68x = 9,118,608.21 × 3,667,431.28 - Step 4: Simplify right side
6,607,786.68x = 33,441,868,979,418.81 - Step 5: Solve for x
x = 33,441,868,979,418.81/6,607,786.68 - Step 6: Final answer
x = 5,060,978.90
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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.