Finding the Fourth Proportional to 4,107,689.28, 5,668,541.28 and 2,272,146.12
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Solution
The fourth proportional to 4,107,689.28, 5,668,541.28 and 2,272,146.12 is: 3,135,522.97
Step by Step Solution
- Step 1: Write the proportion equation
4,107,689.28 : 5,668,541.28 = 2,272,146.12 : x - Step 2: Convert to fraction form
4,107,689.28/5,668,541.28 = 2,272,146.12/x - Step 3: Cross multiply
4,107,689.28x = 5,668,541.28 × 2,272,146.12 - Step 4: Simplify right side
4,107,689.28x = 12,879,754,075,411.83 - Step 5: Solve for x
x = 12,879,754,075,411.83/4,107,689.28 - Step 6: Final answer
x = 3,135,522.97
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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.