Finding the Fourth Proportional to 4,172,769.54, 6,259,154.40 and 2,278,477.62
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Solution
The fourth proportional to 4,172,769.54, 6,259,154.40 and 2,278,477.62 is: 3,417,716.48
Step by Step Solution
- Step 1: Write the proportion equation
4,172,769.54 : 6,259,154.40 = 2,278,477.62 : x - Step 2: Convert to fraction form
4,172,769.54/6,259,154.40 = 2,278,477.62/x - Step 3: Cross multiply
4,172,769.54x = 6,259,154.40 × 2,278,477.62 - Step 4: Simplify right side
4,172,769.54x = 14,261,343,220,524.53 - Step 5: Solve for x
x = 14,261,343,220,524.53/4,172,769.54 - Step 6: Final answer
x = 3,417,716.48
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1.5x scale
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.