Finding the Fourth Proportional to 1,534,236.33, 2,116,732.16 and 990,739.49
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Solution
The fourth proportional to 1,534,236.33, 2,116,732.16 and 990,739.49 is: 1,366,888.59
Step by Step Solution
- Step 1: Write the proportion equation
1,534,236.33 : 2,116,732.16 = 990,739.49 : x - Step 2: Convert to fraction form
1,534,236.33/2,116,732.16 = 990,739.49/x - Step 3: Cross multiply
1,534,236.33x = 2,116,732.16 × 990,739.49 - Step 4: Simplify right side
1,534,236.33x = 2,097,130,140,665.00 - Step 5: Solve for x
x = 2,097,130,140,665.00/1,534,236.33 - Step 6: Final answer
x = 1,366,888.59
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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.