Finding the Fourth Proportional to 1,620,099.84, 2,235,694.44 and 894,931.95
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Solution
The fourth proportional to 1,620,099.84, 2,235,694.44 and 894,931.95 is: 1,234,982.15
Step by Step Solution
- Step 1: Write the proportion equation
1,620,099.84 : 2,235,694.44 = 894,931.95 : x - Step 2: Convert to fraction form
1,620,099.84/2,235,694.44 = 894,931.95/x - Step 3: Cross multiply
1,620,099.84x = 2,235,694.44 × 894,931.95 - Step 4: Simplify right side
1,620,099.84x = 2,000,794,384,793.36 - Step 5: Solve for x
x = 2,000,794,384,793.36/1,620,099.84 - Step 6: Final answer
x = 1,234,982.15
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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.