Finding the Fourth Proportional to 1,124,377.16, 1,686,550.84 and 271,444.21
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Solution
The fourth proportional to 1,124,377.16, 1,686,550.84 and 271,444.21 is: 407,162.72
Step by Step Solution
- Step 1: Write the proportion equation
1,124,377.16 : 1,686,550.84 = 271,444.21 : x - Step 2: Convert to fraction form
1,124,377.16/1,686,550.84 = 271,444.21/x - Step 3: Cross multiply
1,124,377.16x = 1,686,550.84 × 271,444.21 - Step 4: Simplify right side
1,124,377.16x = 457,804,460,388.64 - Step 5: Solve for x
x = 457,804,460,388.64/1,124,377.16 - Step 6: Final answer
x = 407,162.72
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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.