Finding the Fourth Proportional to 4,990,505.16, 7,482,538.57 and 1,958,177.42
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Solution
The fourth proportional to 4,990,505.16, 7,482,538.57 and 1,958,177.42 is: 2,936,002.99
Step by Step Solution
- Step 1: Write the proportion equation
4,990,505.16 : 7,482,538.57 = 1,958,177.42 : x - Step 2: Convert to fraction form
4,990,505.16/7,482,538.57 = 1,958,177.42/x - Step 3: Cross multiply
4,990,505.16x = 7,482,538.57 × 1,958,177.42 - Step 4: Simplify right side
4,990,505.16x = 14,652,138,072,053.09 - Step 5: Solve for x
x = 14,652,138,072,053.09/4,990,505.16 - Step 6: Final answer
x = 2,936,002.99
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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.