Finding the Fourth Proportional to 1,855,518.98, 2,560,554.24 and 1,028,557.81
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Solution
The fourth proportional to 1,855,518.98, 2,560,554.24 and 1,028,557.81 is: 1,419,375.43
Step by Step Solution
- Step 1: Write the proportion equation
1,855,518.98 : 2,560,554.24 = 1,028,557.81 : x - Step 2: Convert to fraction form
1,855,518.98/2,560,554.24 = 1,028,557.81/x - Step 3: Cross multiply
1,855,518.98x = 2,560,554.24 × 1,028,557.81 - Step 4: Simplify right side
1,855,518.98x = 2,633,678,048,677.84 - Step 5: Solve for x
x = 2,633,678,048,677.84/1,855,518.98 - Step 6: Final answer
x = 1,419,375.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.