Finding the Fourth Proportional to 1,617,074.70, 2,231,554.00 and 891,920.68
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Solution
The fourth proportional to 1,617,074.70, 2,231,554.00 and 891,920.68 is: 1,230,845.53
Step by Step Solution
- Step 1: Write the proportion equation
1,617,074.70 : 2,231,554.00 = 891,920.68 : x - Step 2: Convert to fraction form
1,617,074.70/2,231,554.00 = 891,920.68/x - Step 3: Cross multiply
1,617,074.70x = 2,231,554.00 × 891,920.68 - Step 4: Simplify right side
1,617,074.70x = 1,990,369,167,552.88 - Step 5: Solve for x
x = 1,990,369,167,552.88/1,617,074.70 - Step 6: Final answer
x = 1,230,845.53
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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.