Finding the Fourth Proportional to 4,780,744.75, 6,597,235.80 and 2,605,241.54
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Solution
The fourth proportional to 4,780,744.75, 6,597,235.80 and 2,605,241.54 is: 3,595,128.72
Step by Step Solution
- Step 1: Write the proportion equation
4,780,744.75 : 6,597,235.80 = 2,605,241.54 : x - Step 2: Convert to fraction form
4,780,744.75/6,597,235.80 = 2,605,241.54/x - Step 3: Cross multiply
4,780,744.75x = 6,597,235.80 × 2,605,241.54 - Step 4: Simplify right side
4,780,744.75x = 17,187,392,755,335.13 - Step 5: Solve for x
x = 17,187,392,755,335.13/4,780,744.75 - Step 6: Final answer
x = 3,595,128.72
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1.5x scale
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.