Finding the Fourth Proportional to 1,561,053.56, 2,154,918.06 and 949,402.68
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Solution
The fourth proportional to 1,561,053.56, 2,154,918.06 and 949,402.68 is: 1,310,579.62
Step by Step Solution
- Step 1: Write the proportion equation
1,561,053.56 : 2,154,918.06 = 949,402.68 : x - Step 2: Convert to fraction form
1,561,053.56/2,154,918.06 = 949,402.68/x - Step 3: Cross multiply
1,561,053.56x = 2,154,918.06 × 949,402.68 - Step 4: Simplify right side
1,561,053.56x = 2,045,884,981,344.40 - Step 5: Solve for x
x = 2,045,884,981,344.40/1,561,053.56 - Step 6: Final answer
x = 1,310,579.62
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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.