Finding the Fourth Proportional to 1,348,983.56, 1,861,574.74 and 737,122.21
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Solution
The fourth proportional to 1,348,983.56, 1,861,574.74 and 737,122.21 is: 1,017,216.32
Step by Step Solution
- Step 1: Write the proportion equation
1,348,983.56 : 1,861,574.74 = 737,122.21 : x - Step 2: Convert to fraction form
1,348,983.56/1,861,574.74 = 737,122.21/x - Step 3: Cross multiply
1,348,983.56x = 1,861,574.74 × 737,122.21 - Step 4: Simplify right side
1,348,983.56x = 1,372,208,086,428.98 - Step 5: Solve for x
x = 1,372,208,086,428.98/1,348,983.56 - Step 6: Final answer
x = 1,017,216.32
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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.