Finding the Fourth Proportional to 1,743,296.16, 2,405,619.36 and 979,476.96
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Solution
The fourth proportional to 1,743,296.16, 2,405,619.36 and 979,476.96 is: 1,351,605.53
Step by Step Solution
- Step 1: Write the proportion equation
1,743,296.16 : 2,405,619.36 = 979,476.96 : x - Step 2: Convert to fraction form
1,743,296.16/2,405,619.36 = 979,476.96/x - Step 3: Cross multiply
1,743,296.16x = 2,405,619.36 × 979,476.96 - Step 4: Simplify right side
1,743,296.16x = 2,356,248,737,649.95 - Step 5: Solve for x
x = 2,356,248,737,649.95/1,743,296.16 - Step 6: Final answer
x = 1,351,605.53
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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.