Finding the Fourth Proportional to 5,600,769.84, 7,729,218.72 and 3,425,274
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Solution
The fourth proportional to 5,600,769.84, 7,729,218.72 and 3,425,274 is: 4,726,973.73
Step by Step Solution
- Step 1: Write the proportion equation
5,600,769.84 : 7,729,218.72 = 3,425,274 : x - Step 2: Convert to fraction form
5,600,769.84/7,729,218.72 = 3,425,274/x - Step 3: Cross multiply
5,600,769.84x = 7,729,218.72 × 3,425,274 - Step 4: Simplify right side
5,600,769.84x = 26,474,691,921,929.28 - Step 5: Solve for x
x = 26,474,691,921,929.28/5,600,769.84 - Step 6: Final answer
x = 4,726,973.73
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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.