Finding the Fourth Proportional to 1,437,940.98, 2,156,912.19 and 491,320.98
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Solution
The fourth proportional to 1,437,940.98, 2,156,912.19 and 491,320.98 is: 736,981.72
Step by Step Solution
- Step 1: Write the proportion equation
1,437,940.98 : 2,156,912.19 = 491,320.98 : x - Step 2: Convert to fraction form
1,437,940.98/2,156,912.19 = 491,320.98/x - Step 3: Cross multiply
1,437,940.98x = 2,156,912.19 × 491,320.98 - Step 4: Simplify right side
1,437,940.98x = 1,059,736,210,964.75 - Step 5: Solve for x
x = 1,059,736,210,964.75/1,437,940.98 - Step 6: Final answer
x = 736,981.72
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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.