Finding the Fourth Proportional to 2,130,977.36, 2,940,711.68 and 1,164,082.79
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Solution
The fourth proportional to 2,130,977.36, 2,940,711.68 and 1,164,082.79 is: 1,606,414.00
Step by Step Solution
- Step 1: Write the proportion equation
2,130,977.36 : 2,940,711.68 = 1,164,082.79 : x - Step 2: Convert to fraction form
2,130,977.36/2,940,711.68 = 1,164,082.79/x - Step 3: Cross multiply
2,130,977.36x = 2,940,711.68 × 1,164,082.79 - Step 4: Simplify right side
2,130,977.36x = 3,423,231,867,301.97 - Step 5: Solve for x
x = 3,423,231,867,301.97/2,130,977.36 - Step 6: Final answer
x = 1,606,414.00
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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.