Finding the Fourth Proportional to 1,917,716.70, 2,874,582.45 and 779,990.70
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Solution
The fourth proportional to 1,917,716.70, 2,874,582.45 and 779,990.70 is: 1,169,175.60
Step by Step Solution
- Step 1: Write the proportion equation
1,917,716.70 : 2,874,582.45 = 779,990.70 : x - Step 2: Convert to fraction form
1,917,716.70/2,874,582.45 = 779,990.70/x - Step 3: Cross multiply
1,917,716.70x = 2,874,582.45 × 779,990.70 - Step 4: Simplify right side
1,917,716.70x = 2,242,147,577,383.22 - Step 5: Solve for x
x = 2,242,147,577,383.22/1,917,716.70 - Step 6: Final answer
x = 1,169,175.60
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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.