Finding the Fourth Proportional to 1,472,228.13, 2,208,338.82 and 461,427.11
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Solution
The fourth proportional to 1,472,228.13, 2,208,338.82 and 461,427.11 is: 692,139.60
Step by Step Solution
- Step 1: Write the proportion equation
1,472,228.13 : 2,208,338.82 = 461,427.11 : x - Step 2: Convert to fraction form
1,472,228.13/2,208,338.82 = 461,427.11/x - Step 3: Cross multiply
1,472,228.13x = 2,208,338.82 × 461,427.11 - Step 4: Simplify right side
1,472,228.13x = 1,018,987,388,571.72 - Step 5: Solve for x
x = 1,018,987,388,571.72/1,472,228.13 - Step 6: Final answer
x = 692,139.60
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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.