Finding the Fourth Proportional to 3,961,875.92, 5,943,066.60 and 1,122,207.08
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Solution
The fourth proportional to 3,961,875.92, 5,943,066.60 and 1,122,207.08 is: 1,683,382.20
Step by Step Solution
- Step 1: Write the proportion equation
3,961,875.92 : 5,943,066.60 = 1,122,207.08 : x - Step 2: Convert to fraction form
3,961,875.92/5,943,066.60 = 1,122,207.08/x - Step 3: Cross multiply
3,961,875.92x = 5,943,066.60 × 1,122,207.08 - Step 4: Simplify right side
3,961,875.92x = 6,669,351,415,431.53 - Step 5: Solve for x
x = 6,669,351,415,431.53/3,961,875.92 - Step 6: Final answer
x = 1,683,382.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.