Finding the Fourth Proportional to 2,577,905.49, 3,557,114.49 and 1,489,967.36
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Solution
The fourth proportional to 2,577,905.49, 3,557,114.49 and 1,489,967.36 is: 2,055,926.61
Step by Step Solution
- Step 1: Write the proportion equation
2,577,905.49 : 3,557,114.49 = 1,489,967.36 : x - Step 2: Convert to fraction form
2,577,905.49/3,557,114.49 = 1,489,967.36/x - Step 3: Cross multiply
2,577,905.49x = 3,557,114.49 × 1,489,967.36 - Step 4: Simplify right side
2,577,905.49x = 5,299,984,485,883.05 - Step 5: Solve for x
x = 5,299,984,485,883.05/2,577,905.49 - Step 6: Final answer
x = 2,055,926.61
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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.