Finding the Fourth Proportional to 2,649,415.70, 3,974,921.33 and 827,707.05
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Solution
The fourth proportional to 2,649,415.70, 3,974,921.33 and 827,707.05 is: 1,241,809.81
Step by Step Solution
- Step 1: Write the proportion equation
2,649,415.70 : 3,974,921.33 = 827,707.05 : x - Step 2: Convert to fraction form
2,649,415.70/3,974,921.33 = 827,707.05/x - Step 3: Cross multiply
2,649,415.70x = 3,974,921.33 × 827,707.05 - Step 4: Simplify right side
2,649,415.70x = 3,290,070,403,897.84 - Step 5: Solve for x
x = 3,290,070,403,897.84/2,649,415.70 - Step 6: Final answer
x = 1,241,809.81
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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.