Finding the Fourth Proportional to 2,320,835.44, 3,202,705.02 and 1,288,283.08
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Solution
The fourth proportional to 2,320,835.44, 3,202,705.02 and 1,288,283.08 is: 1,777,804.07
Step by Step Solution
- Step 1: Write the proportion equation
2,320,835.44 : 3,202,705.02 = 1,288,283.08 : x - Step 2: Convert to fraction form
2,320,835.44/3,202,705.02 = 1,288,283.08/x - Step 3: Cross multiply
2,320,835.44x = 3,202,705.02 × 1,288,283.08 - Step 4: Simplify right side
2,320,835.44x = 4,125,990,687,497.06 - Step 5: Solve for x
x = 4,125,990,687,497.06/2,320,835.44 - Step 6: Final answer
x = 1,777,804.07
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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.