Finding the Fourth Proportional to 2,130,896.62, 2,940,708 and 1,164,116.80
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Solution
The fourth proportional to 2,130,896.62, 2,940,708 and 1,164,116.80 is: 1,606,519.79
Step by Step Solution
- Step 1: Write the proportion equation
2,130,896.62 : 2,940,708 = 1,164,116.80 : x - Step 2: Convert to fraction form
2,130,896.62/2,940,708 = 1,164,116.80/x - Step 3: Cross multiply
2,130,896.62x = 2,940,708 × 1,164,116.80 - Step 4: Simplify right side
2,130,896.62x = 3,423,327,586,694.40 - Step 5: Solve for x
x = 3,423,327,586,694.40/2,130,896.62 - Step 6: Final answer
x = 1,606,519.79
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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.