Finding the Fourth Proportional to 1,929,075.62, 2,661,879.65 and 1,057,680.99
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Solution
The fourth proportional to 1,929,075.62, 2,661,879.65 and 1,057,680.99 is: 1,459,465.60
Step by Step Solution
- Step 1: Write the proportion equation
1,929,075.62 : 2,661,879.65 = 1,057,680.99 : x - Step 2: Convert to fraction form
1,929,075.62/2,661,879.65 = 1,057,680.99/x - Step 3: Cross multiply
1,929,075.62x = 2,661,879.65 × 1,057,680.99 - Step 4: Simplify right side
1,929,075.62x = 2,815,419,498,184.45 - Step 5: Solve for x
x = 2,815,419,498,184.45/1,929,075.62 - Step 6: Final answer
x = 1,459,465.60
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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.