Finding the Fourth Proportional to 1,563,771.94, 2,157,990.69 and 884,708.44
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Solution
The fourth proportional to 1,563,771.94, 2,157,990.69 and 884,708.44 is: 1,220,889.39
Step by Step Solution
- Step 1: Write the proportion equation
1,563,771.94 : 2,157,990.69 = 884,708.44 : x - Step 2: Convert to fraction form
1,563,771.94/2,157,990.69 = 884,708.44/x - Step 3: Cross multiply
1,563,771.94x = 2,157,990.69 × 884,708.44 - Step 4: Simplify right side
1,563,771.94x = 1,909,192,571,489.45 - Step 5: Solve for x
x = 1,909,192,571,489.45/1,563,771.94 - Step 6: Final answer
x = 1,220,889.39
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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.