Finding the Fourth Proportional to 1,507,938.44, 2,261,906.22 and 386,005.64
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Solution
The fourth proportional to 1,507,938.44, 2,261,906.22 and 386,005.64 is: 579,008.09
Step by Step Solution
- Step 1: Write the proportion equation
1,507,938.44 : 2,261,906.22 = 386,005.64 : x - Step 2: Convert to fraction form
1,507,938.44/2,261,906.22 = 386,005.64/x - Step 3: Cross multiply
1,507,938.44x = 2,261,906.22 × 386,005.64 - Step 4: Simplify right side
1,507,938.44x = 873,108,558,071.08 - Step 5: Solve for x
x = 873,108,558,071.08/1,507,938.44 - Step 6: Final answer
x = 579,008.09
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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.