Finding the Fourth Proportional to 5,207,661.60, 7,811,866.68 and 1,795,899.12
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Solution
The fourth proportional to 5,207,661.60, 7,811,866.68 and 1,795,899.12 is: 2,693,977.75
Step by Step Solution
- Step 1: Write the proportion equation
5,207,661.60 : 7,811,866.68 = 1,795,899.12 : x - Step 2: Convert to fraction form
5,207,661.60/7,811,866.68 = 1,795,899.12/x - Step 3: Cross multiply
5,207,661.60x = 7,811,866.68 × 1,795,899.12 - Step 4: Simplify right side
5,207,661.60x = 14,029,324,496,169.32 - Step 5: Solve for x
x = 14,029,324,496,169.32/5,207,661.60 - Step 6: Final answer
x = 2,693,977.75
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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.