Finding the Fourth Proportional to 1,491,661.56, 2,239,443.62 and 885,556.38
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Solution
The fourth proportional to 1,491,661.56, 2,239,443.62 and 885,556.38 is: 1,329,492.99
Step by Step Solution
- Step 1: Write the proportion equation
1,491,661.56 : 2,239,443.62 = 885,556.38 : x - Step 2: Convert to fraction form
1,491,661.56/2,239,443.62 = 885,556.38/x - Step 3: Cross multiply
1,491,661.56x = 2,239,443.62 × 885,556.38 - Step 4: Simplify right side
1,491,661.56x = 1,983,153,585,341.30 - Step 5: Solve for x
x = 1,983,153,585,341.30/1,491,661.56 - Step 6: Final answer
x = 1,329,492.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.