Finding the Fourth Proportional to 3,642,954.57, 5,027,350.20 and 2,011,365.09
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Solution
The fourth proportional to 3,642,954.57, 5,027,350.20 and 2,011,365.09 is: 2,775,724.07
Step by Step Solution
- Step 1: Write the proportion equation
3,642,954.57 : 5,027,350.20 = 2,011,365.09 : x - Step 2: Convert to fraction form
3,642,954.57/5,027,350.20 = 2,011,365.09/x - Step 3: Cross multiply
3,642,954.57x = 5,027,350.20 × 2,011,365.09 - Step 4: Simplify right side
3,642,954.57x = 10,111,836,687,484.52 - Step 5: Solve for x
x = 10,111,836,687,484.52/3,642,954.57 - Step 6: Final answer
x = 2,775,724.07
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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.