Finding the Fourth Proportional to 2,702,649.86, 3,729,657.17 and 1,478,955.68
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Solution
The fourth proportional to 2,702,649.86, 3,729,657.17 and 1,478,955.68 is: 2,040,959.03
Step by Step Solution
- Step 1: Write the proportion equation
2,702,649.86 : 3,729,657.17 = 1,478,955.68 : x - Step 2: Convert to fraction form
2,702,649.86/3,729,657.17 = 1,478,955.68/x - Step 3: Cross multiply
2,702,649.86x = 3,729,657.17 × 1,478,955.68 - Step 4: Simplify right side
2,702,649.86x = 5,515,997,629,981.16 - Step 5: Solve for x
x = 5,515,997,629,981.16/2,702,649.86 - Step 6: Final answer
x = 2,040,959.03
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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.