Finding the Fourth Proportional to 3,818,850.94, 5,727,469.63 and 1,122,442.74
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Solution
The fourth proportional to 3,818,850.94, 5,727,469.63 and 1,122,442.74 is: 1,683,426.98
Step by Step Solution
- Step 1: Write the proportion equation
3,818,850.94 : 5,727,469.63 = 1,122,442.74 : x - Step 2: Convert to fraction form
3,818,850.94/5,727,469.63 = 1,122,442.74/x - Step 3: Cross multiply
3,818,850.94x = 5,727,469.63 × 1,122,442.74 - Step 4: Simplify right side
3,818,850.94x = 6,428,756,704,763.99 - Step 5: Solve for x
x = 6,428,756,704,763.99/3,818,850.94 - Step 6: Final answer
x = 1,683,426.98
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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.