Finding the Fourth Proportional to 3,222,541.70, 4,447,018.78 and 1,772,236.99
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Solution
The fourth proportional to 3,222,541.70, 4,447,018.78 and 1,772,236.99 is: 2,445,638.22
Step by Step Solution
- Step 1: Write the proportion equation
3,222,541.70 : 4,447,018.78 = 1,772,236.99 : x - Step 2: Convert to fraction form
3,222,541.70/4,447,018.78 = 1,772,236.99/x - Step 3: Cross multiply
3,222,541.70x = 4,447,018.78 × 1,772,236.99 - Step 4: Simplify right side
3,222,541.70x = 7,881,171,161,592.53 - Step 5: Solve for x
x = 7,881,171,161,592.53/3,222,541.70 - Step 6: Final answer
x = 2,445,638.22
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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.