Finding the Fourth Proportional to 4,178,605.50, 6,268,369.05 and 1,338,049.98
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Solution
The fourth proportional to 4,178,605.50, 6,268,369.05 and 1,338,049.98 is: 2,007,222.52
Step by Step Solution
- Step 1: Write the proportion equation
4,178,605.50 : 6,268,369.05 = 1,338,049.98 : x - Step 2: Convert to fraction form
4,178,605.50/6,268,369.05 = 1,338,049.98/x - Step 3: Cross multiply
4,178,605.50x = 6,268,369.05 × 1,338,049.98 - Step 4: Simplify right side
4,178,605.50x = 8,387,391,081,985.12 - Step 5: Solve for x
x = 8,387,391,081,985.12/4,178,605.50 - Step 6: Final answer
x = 2,007,222.52
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1.5x scale
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.