Finding the Fourth Proportional to 1,975,969.17, 2,726,836.92 and 1,070,551.17
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Solution
The fourth proportional to 1,975,969.17, 2,726,836.92 and 1,070,551.17 is: 1,477,360.32
Step by Step Solution
- Step 1: Write the proportion equation
1,975,969.17 : 2,726,836.92 = 1,070,551.17 : x - Step 2: Convert to fraction form
1,975,969.17/2,726,836.92 = 1,070,551.17/x - Step 3: Cross multiply
1,975,969.17x = 2,726,836.92 × 1,070,551.17 - Step 4: Simplify right side
1,975,969.17x = 2,919,218,455,105.20 - Step 5: Solve for x
x = 2,919,218,455,105.20/1,975,969.17 - Step 6: Final answer
x = 1,477,360.32
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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.