Finding the Fourth Proportional to 1,909,756.09, 2,634,817.62 and 1,082,740.87
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Solution
The fourth proportional to 1,909,756.09, 2,634,817.62 and 1,082,740.87 is: 1,493,816.27
Step by Step Solution
- Step 1: Write the proportion equation
1,909,756.09 : 2,634,817.62 = 1,082,740.87 : x - Step 2: Convert to fraction form
1,909,756.09/2,634,817.62 = 1,082,740.87/x - Step 3: Cross multiply
1,909,756.09x = 2,634,817.62 × 1,082,740.87 - Step 4: Simplify right side
1,909,756.09x = 2,852,824,722,170.13 - Step 5: Solve for x
x = 2,852,824,722,170.13/1,909,756.09 - Step 6: Final answer
x = 1,493,816.27
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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.