Finding the Fourth Proportional to 1,561,342.44, 2,153,821.44 and 949,682.28
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Solution
The fourth proportional to 1,561,342.44, 2,153,821.44 and 949,682.28 is: 1,310,056.02
Step by Step Solution
- Step 1: Write the proportion equation
1,561,342.44 : 2,153,821.44 = 949,682.28 : x - Step 2: Convert to fraction form
1,561,342.44/2,153,821.44 = 949,682.28/x - Step 3: Cross multiply
1,561,342.44x = 2,153,821.44 × 949,682.28 - Step 4: Simplify right side
1,561,342.44x = 2,045,446,055,852.08 - Step 5: Solve for x
x = 2,045,446,055,852.08/1,561,342.44 - Step 6: Final answer
x = 1,310,056.02
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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.