Finding the Fourth Proportional to 2,318,793.30, 3,478,189.95 and 1,311,023.70
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Solution
The fourth proportional to 2,318,793.30, 3,478,189.95 and 1,311,023.70 is: 1,966,535.55
Step by Step Solution
- Step 1: Write the proportion equation
2,318,793.30 : 3,478,189.95 = 1,311,023.70 : x - Step 2: Convert to fraction form
2,318,793.30/3,478,189.95 = 1,311,023.70/x - Step 3: Cross multiply
2,318,793.30x = 3,478,189.95 × 1,311,023.70 - Step 4: Simplify right side
2,318,793.30x = 4,559,989,457,551.82 - Step 5: Solve for x
x = 4,559,989,457,551.82/2,318,793.30 - Step 6: Final answer
x = 1,966,535.55
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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.