Finding the Fourth Proportional to 2,813,423.10, 4,220,134.65 and 2,407,515.90
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Solution
The fourth proportional to 2,813,423.10, 4,220,134.65 and 2,407,515.90 is: 3,611,273.85
Step by Step Solution
- Step 1: Write the proportion equation
2,813,423.10 : 4,220,134.65 = 2,407,515.90 : x - Step 2: Convert to fraction form
2,813,423.10/4,220,134.65 = 2,407,515.90/x - Step 3: Cross multiply
2,813,423.10x = 4,220,134.65 × 2,407,515.90 - Step 4: Simplify right side
2,813,423.10x = 10,160,041,270,015.94 - Step 5: Solve for x
x = 10,160,041,270,015.94/2,813,423.10 - Step 6: Final answer
x = 3,611,273.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.