Finding the Fourth Proportional to 1,674,958.05, 2,311,328.39 and 910,995.21
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Solution
The fourth proportional to 1,674,958.05, 2,311,328.39 and 910,995.21 is: 1,257,111.54
Step by Step Solution
- Step 1: Write the proportion equation
1,674,958.05 : 2,311,328.39 = 910,995.21 : x - Step 2: Convert to fraction form
1,674,958.05/2,311,328.39 = 910,995.21/x - Step 3: Cross multiply
1,674,958.05x = 2,311,328.39 × 910,995.21 - Step 4: Simplify right side
1,674,958.05x = 2,105,609,087,472.04 - Step 5: Solve for x
x = 2,105,609,087,472.04/1,674,958.05 - Step 6: Final answer
x = 1,257,111.54
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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.