Finding the Fourth Proportional to 2,453,928.76, 3,385,545.28 and 1,420,872.76
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Solution
The fourth proportional to 2,453,928.76, 3,385,545.28 and 1,420,872.76 is: 1,960,296.95
Step by Step Solution
- Step 1: Write the proportion equation
2,453,928.76 : 3,385,545.28 = 1,420,872.76 : x - Step 2: Convert to fraction form
2,453,928.76/3,385,545.28 = 1,420,872.76/x - Step 3: Cross multiply
2,453,928.76x = 3,385,545.28 × 1,420,872.76 - Step 4: Simplify right side
2,453,928.76x = 4,810,429,066,098.57 - Step 5: Solve for x
x = 4,810,429,066,098.57/2,453,928.76 - Step 6: Final answer
x = 1,960,296.95
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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.