Finding the Fourth Proportional to 1,434,910.91, 1,980,102.30 and 891,035.06
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Solution
The fourth proportional to 1,434,910.91, 1,980,102.30 and 891,035.06 is: 1,229,581.96
Step by Step Solution
- Step 1: Write the proportion equation
1,434,910.91 : 1,980,102.30 = 891,035.06 : x - Step 2: Convert to fraction form
1,434,910.91/1,980,102.30 = 891,035.06/x - Step 3: Cross multiply
1,434,910.91x = 1,980,102.30 × 891,035.06 - Step 4: Simplify right side
1,434,910.91x = 1,764,340,561,786.13 - Step 5: Solve for x
x = 1,764,340,561,786.13/1,434,910.91 - Step 6: Final answer
x = 1,229,581.96
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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.