Finding the Fourth Proportional to 2,163,390.09, 3,245,090.67 and 883,997.60
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Solution
The fourth proportional to 2,163,390.09, 3,245,090.67 and 883,997.60 is: 1,325,998.65
Step by Step Solution
- Step 1: Write the proportion equation
2,163,390.09 : 3,245,090.67 = 883,997.60 : x - Step 2: Convert to fraction form
2,163,390.09/3,245,090.67 = 883,997.60/x - Step 3: Cross multiply
2,163,390.09x = 3,245,090.67 × 883,997.60 - Step 4: Simplify right side
2,163,390.09x = 2,868,652,347,836.94 - Step 5: Solve for x
x = 2,868,652,347,836.94/2,163,390.09 - Step 6: Final answer
x = 1,325,998.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.