Finding the Fourth Proportional to 2,305,044.94, 3,181,378.44 and 1,374,812.38
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Solution
The fourth proportional to 2,305,044.94, 3,181,378.44 and 1,374,812.38 is: 1,897,489.45
Step by Step Solution
- Step 1: Write the proportion equation
2,305,044.94 : 3,181,378.44 = 1,374,812.38 : x - Step 2: Convert to fraction form
2,305,044.94/3,181,378.44 = 1,374,812.38/x - Step 3: Cross multiply
2,305,044.94x = 3,181,378.44 × 1,374,812.38 - Step 4: Simplify right side
2,305,044.94x = 4,373,798,464,777.09 - Step 5: Solve for x
x = 4,373,798,464,777.09/2,305,044.94 - Step 6: Final answer
x = 1,897,489.45
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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.