Finding the Fourth Proportional to 1,859,251.38, 2,788,862.49 and 1,228,015.14
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Solution
The fourth proportional to 1,859,251.38, 2,788,862.49 and 1,228,015.14 is: 1,842,013.08
Step by Step Solution
- Step 1: Write the proportion equation
1,859,251.38 : 2,788,862.49 = 1,228,015.14 : x - Step 2: Convert to fraction form
1,859,251.38/2,788,862.49 = 1,228,015.14/x - Step 3: Cross multiply
1,859,251.38x = 2,788,862.49 × 1,228,015.14 - Step 4: Simplify right side
1,859,251.38x = 3,424,765,361,098.10 - Step 5: Solve for x
x = 3,424,765,361,098.10/1,859,251.38 - Step 6: Final answer
x = 1,842,013.08
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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.