Finding the Fourth Proportional to 3,182,783.94, 4,774,129.11 and 786,628.80
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Solution
The fourth proportional to 3,182,783.94, 4,774,129.11 and 786,628.80 is: 1,179,931.63
Step by Step Solution
- Step 1: Write the proportion equation
3,182,783.94 : 4,774,129.11 = 786,628.80 : x - Step 2: Convert to fraction form
3,182,783.94/4,774,129.11 = 786,628.80/x - Step 3: Cross multiply
3,182,783.94x = 4,774,129.11 × 786,628.80 - Step 4: Simplify right side
3,182,783.94x = 3,755,467,452,844.37 - Step 5: Solve for x
x = 3,755,467,452,844.37/3,182,783.94 - Step 6: Final answer
x = 1,179,931.63
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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.