Finding the Fourth Proportional to 1,525,728.12, 2,105,603.44 and 846,664.62
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Solution
The fourth proportional to 1,525,728.12, 2,105,603.44 and 846,664.62 is: 1,168,451.91
Step by Step Solution
- Step 1: Write the proportion equation
1,525,728.12 : 2,105,603.44 = 846,664.62 : x - Step 2: Convert to fraction form
1,525,728.12/2,105,603.44 = 846,664.62/x - Step 3: Cross multiply
1,525,728.12x = 2,105,603.44 × 846,664.62 - Step 4: Simplify right side
1,525,728.12x = 1,782,739,936,398.29 - Step 5: Solve for x
x = 1,782,739,936,398.29/1,525,728.12 - Step 6: Final answer
x = 1,168,451.91
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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.