Finding the Fourth Proportional to 2,065,717.20, 2,849,891.40 and 1,523,137.08
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Solution
The fourth proportional to 2,065,717.20, 2,849,891.40 and 1,523,137.08 is: 2,101,340.52
Step by Step Solution
- Step 1: Write the proportion equation
2,065,717.20 : 2,849,891.40 = 1,523,137.08 : x - Step 2: Convert to fraction form
2,065,717.20/2,849,891.40 = 1,523,137.08/x - Step 3: Cross multiply
2,065,717.20x = 2,849,891.40 × 1,523,137.08 - Step 4: Simplify right side
2,065,717.20x = 4,340,775,265,313.11 - Step 5: Solve for x
x = 4,340,775,265,313.11/2,065,717.20 - Step 6: Final answer
x = 2,101,340.52
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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.