Finding the Fourth Proportional to 2,651,561.28, 3,658,982.28 and 1,563,583.44
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Solution
The fourth proportional to 2,651,561.28, 3,658,982.28 and 1,563,583.44 is: 2,157,643.55
Step by Step Solution
- Step 1: Write the proportion equation
2,651,561.28 : 3,658,982.28 = 1,563,583.44 : x - Step 2: Convert to fraction form
2,651,561.28/3,658,982.28 = 1,563,583.44/x - Step 3: Cross multiply
2,651,561.28x = 3,658,982.28 × 1,563,583.44 - Step 4: Simplify right side
2,651,561.28x = 5,721,124,100,261.44 - Step 5: Solve for x
x = 5,721,124,100,261.44/2,651,561.28 - Step 6: Final answer
x = 2,157,643.55
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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.