Finding the Fourth Proportional to 1,918,801.26, 2,647,949.67 and 1,059,363.18
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Solution
The fourth proportional to 1,918,801.26, 2,647,949.67 and 1,059,363.18 is: 1,461,923.36
Step by Step Solution
- Step 1: Write the proportion equation
1,918,801.26 : 2,647,949.67 = 1,059,363.18 : x - Step 2: Convert to fraction form
1,918,801.26/2,647,949.67 = 1,059,363.18/x - Step 3: Cross multiply
1,918,801.26x = 2,647,949.67 × 1,059,363.18 - Step 4: Simplify right side
1,918,801.26x = 2,805,140,382,891.15 - Step 5: Solve for x
x = 2,805,140,382,891.15/1,918,801.26 - Step 6: Final answer
x = 1,461,923.36
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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.