Finding the Fourth Proportional to 1,412,474.52, 1,949,641.74 and 960,027.96
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Solution
The fourth proportional to 1,412,474.52, 1,949,641.74 and 960,027.96 is: 1,325,128.74
Step by Step Solution
- Step 1: Write the proportion equation
1,412,474.52 : 1,949,641.74 = 960,027.96 : x - Step 2: Convert to fraction form
1,412,474.52/1,949,641.74 = 960,027.96/x - Step 3: Cross multiply
1,412,474.52x = 1,949,641.74 × 960,027.96 - Step 4: Simplify right side
1,412,474.52x = 1,871,710,582,383.05 - Step 5: Solve for x
x = 1,871,710,582,383.05/1,412,474.52 - Step 6: Final answer
x = 1,325,128.74
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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.