Finding the Fourth Proportional to 2,702,649.35, 3,729,656.48 and 1,478,955.17
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Solution
The fourth proportional to 2,702,649.35, 3,729,656.48 and 1,478,955.17 is: 2,040,958.33
Step by Step Solution
- Step 1: Write the proportion equation
2,702,649.35 : 3,729,656.48 = 1,478,955.17 : x - Step 2: Convert to fraction form
2,702,649.35/3,729,656.48 = 1,478,955.17/x - Step 3: Cross multiply
2,702,649.35x = 3,729,656.48 × 1,478,955.17 - Step 4: Simplify right side
2,702,649.35x = 5,515,994,714,370.05 - Step 5: Solve for x
x = 5,515,994,714,370.05/2,702,649.35 - Step 6: Final answer
x = 2,040,958.33
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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.