Finding the Fourth Proportional to 3,451,419.99, 5,177,129.90 and 1,055,264.58
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Solution
The fourth proportional to 3,451,419.99, 5,177,129.90 and 1,055,264.58 is: 1,582,896.84
Step by Step Solution
- Step 1: Write the proportion equation
3,451,419.99 : 5,177,129.90 = 1,055,264.58 : x - Step 2: Convert to fraction form
3,451,419.99/5,177,129.90 = 1,055,264.58/x - Step 3: Cross multiply
3,451,419.99x = 5,177,129.90 × 1,055,264.58 - Step 4: Simplify right side
3,451,419.99x = 5,463,241,804,252.62 - Step 5: Solve for x
x = 5,463,241,804,252.62/3,451,419.99 - Step 6: Final answer
x = 1,582,896.84
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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.