Finding the Fourth Proportional to 1,941,322.64, 2,678,236.12 and 1,288,256.63
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Solution
The fourth proportional to 1,941,322.64, 2,678,236.12 and 1,288,256.63 is: 1,777,270.49
Step by Step Solution
- Step 1: Write the proportion equation
1,941,322.64 : 2,678,236.12 = 1,288,256.63 : x - Step 2: Convert to fraction form
1,941,322.64/2,678,236.12 = 1,288,256.63/x - Step 3: Cross multiply
1,941,322.64x = 2,678,236.12 × 1,288,256.63 - Step 4: Simplify right side
1,941,322.64x = 3,450,255,438,295.48 - Step 5: Solve for x
x = 3,450,255,438,295.48/1,941,322.64 - Step 6: Final answer
x = 1,777,270.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.