Finding the Fourth Proportional to 1,678,439.93, 2,517,677.35 and 1,343,609.01
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Solution
The fourth proportional to 1,678,439.93, 2,517,677.35 and 1,343,609.01 is: 2,015,427.49
Step by Step Solution
- Step 1: Write the proportion equation
1,678,439.93 : 2,517,677.35 = 1,343,609.01 : x - Step 2: Convert to fraction form
1,678,439.93/2,517,677.35 = 1,343,609.01/x - Step 3: Cross multiply
1,678,439.93x = 2,517,677.35 × 1,343,609.01 - Step 4: Simplify right side
1,678,439.93x = 3,382,773,968,373.90 - Step 5: Solve for x
x = 3,382,773,968,373.90/1,678,439.93 - Step 6: Final answer
x = 2,015,427.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.