Finding the Fourth Proportional to 2,308,873.47, 3,185,969.36 and 1,276,241.79
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Solution
The fourth proportional to 2,308,873.47, 3,185,969.36 and 1,276,241.79 is: 1,761,061.09
Step by Step Solution
- Step 1: Write the proportion equation
2,308,873.47 : 3,185,969.36 = 1,276,241.79 : x - Step 2: Convert to fraction form
2,308,873.47/3,185,969.36 = 1,276,241.79/x - Step 3: Cross multiply
2,308,873.47x = 3,185,969.36 × 1,276,241.79 - Step 4: Simplify right side
2,308,873.47x = 4,066,067,232,510.35 - Step 5: Solve for x
x = 4,066,067,232,510.35/2,308,873.47 - Step 6: Final answer
x = 1,761,061.09
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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.