Finding the Fourth Proportional to 2,329,677.95, 3,214,949.01 and 1,311,082.70
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Solution
The fourth proportional to 2,329,677.95, 3,214,949.01 and 1,311,082.70 is: 1,809,290.43
Step by Step Solution
- Step 1: Write the proportion equation
2,329,677.95 : 3,214,949.01 = 1,311,082.70 : x - Step 2: Convert to fraction form
2,329,677.95/3,214,949.01 = 1,311,082.70/x - Step 3: Cross multiply
2,329,677.95x = 3,214,949.01 × 1,311,082.70 - Step 4: Simplify right side
2,329,677.95x = 4,215,064,028,393.13 - Step 5: Solve for x
x = 4,215,064,028,393.13/2,329,677.95 - Step 6: Final answer
x = 1,809,290.43
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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.