Finding the Fourth Proportional to 1,939,606.40, 2,676,465.24 and 1,080,246.62
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Solution
The fourth proportional to 1,939,606.40, 2,676,465.24 and 1,080,246.62 is: 1,490,633.63
Step by Step Solution
- Step 1: Write the proportion equation
1,939,606.40 : 2,676,465.24 = 1,080,246.62 : x - Step 2: Convert to fraction form
1,939,606.40/2,676,465.24 = 1,080,246.62/x - Step 3: Cross multiply
1,939,606.40x = 2,676,465.24 × 1,080,246.62 - Step 4: Simplify right side
1,939,606.40x = 2,891,242,529,057.49 - Step 5: Solve for x
x = 2,891,242,529,057.49/1,939,606.40 - Step 6: Final answer
x = 1,490,633.63
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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.