Finding the Fourth Proportional to 1,929,075.24, 2,661,879.12 and 1,057,680.62
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Solution
The fourth proportional to 1,929,075.24, 2,661,879.12 and 1,057,680.62 is: 1,459,465.08
Step by Step Solution
- Step 1: Write the proportion equation
1,929,075.24 : 2,661,879.12 = 1,057,680.62 : x - Step 2: Convert to fraction form
1,929,075.24/2,661,879.12 = 1,057,680.62/x - Step 3: Cross multiply
1,929,075.24x = 2,661,879.12 × 1,057,680.62 - Step 4: Simplify right side
1,929,075.24x = 2,815,417,958,006.66 - Step 5: Solve for x
x = 2,815,417,958,006.66/1,929,075.24 - Step 6: Final answer
x = 1,459,465.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.