Finding the Fourth Proportional to 1,687,995.14, 2,543,841.40 and 1,519,683.62
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Solution
The fourth proportional to 1,687,995.14, 2,543,841.40 and 1,519,683.62 is: 2,290,192.67
Step by Step Solution
- Step 1: Write the proportion equation
1,687,995.14 : 2,543,841.40 = 1,519,683.62 : x - Step 2: Convert to fraction form
1,687,995.14/2,543,841.40 = 1,519,683.62/x - Step 3: Cross multiply
1,687,995.14x = 2,543,841.40 × 1,519,683.62 - Step 4: Simplify right side
1,687,995.14x = 3,865,834,099,859.45 - Step 5: Solve for x
x = 3,865,834,099,859.45/1,687,995.14 - Step 6: Final answer
x = 2,290,192.67
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.