Finding the Fourth Proportional to 1,534,277.84, 2,116,789.34 and 990,781.02
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Solution
The fourth proportional to 1,534,277.84, 2,116,789.34 and 990,781.02 is: 1,366,945.84
Step by Step Solution
- Step 1: Write the proportion equation
1,534,277.84 : 2,116,789.34 = 990,781.02 : x - Step 2: Convert to fraction form
1,534,277.84/2,116,789.34 = 990,781.02/x - Step 3: Cross multiply
1,534,277.84x = 2,116,789.34 × 990,781.02 - Step 4: Simplify right side
1,534,277.84x = 2,097,274,696,456.42 - Step 5: Solve for x
x = 2,097,274,696,456.42/1,534,277.84 - Step 6: Final answer
x = 1,366,945.84
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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.