Finding the Fourth Proportional to 1,485,349.92, 2,049,781.12 and 806,286.44
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Solution
The fourth proportional to 1,485,349.92, 2,049,781.12 and 806,286.44 is: 1,112,674.33
Step by Step Solution
- Step 1: Write the proportion equation
1,485,349.92 : 2,049,781.12 = 806,286.44 : x - Step 2: Convert to fraction form
1,485,349.92/2,049,781.12 = 806,286.44/x - Step 3: Cross multiply
1,485,349.92x = 2,049,781.12 × 806,286.44 - Step 4: Simplify right side
1,485,349.92x = 1,652,710,722,024.01 - Step 5: Solve for x
x = 1,652,710,722,024.01/1,485,349.92 - Step 6: Final answer
x = 1,112,674.33
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1.5x scale
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.