Finding the Fourth Proportional to 1,841,997.49, 2,540,983.49 and 1,268,041.21
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Solution
The fourth proportional to 1,841,997.49, 2,540,983.49 and 1,268,041.21 is: 1,749,227.02
Step by Step Solution
- Step 1: Write the proportion equation
1,841,997.49 : 2,540,983.49 = 1,268,041.21 : x - Step 2: Convert to fraction form
1,841,997.49/2,540,983.49 = 1,268,041.21/x - Step 3: Cross multiply
1,841,997.49x = 2,540,983.49 × 1,268,041.21 - Step 4: Simplify right side
1,841,997.49x = 3,222,071,779,249.62 - Step 5: Solve for x
x = 3,222,071,779,249.62/1,841,997.49 - Step 6: Final answer
x = 1,749,227.02
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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.