Finding the Fourth Proportional to 3,617,673.32, 4,992,447.68 and 1,986,231.08
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Solution
The fourth proportional to 3,617,673.32, 4,992,447.68 and 1,986,231.08 is: 2,741,031.00
Step by Step Solution
- Step 1: Write the proportion equation
3,617,673.32 : 4,992,447.68 = 1,986,231.08 : x - Step 2: Convert to fraction form
3,617,673.32/4,992,447.68 = 1,986,231.08/x - Step 3: Cross multiply
3,617,673.32x = 4,992,447.68 × 1,986,231.08 - Step 4: Simplify right side
3,617,673.32x = 9,916,154,712,396.50 - Step 5: Solve for x
x = 9,916,154,712,396.50/3,617,673.32 - Step 6: Final answer
x = 2,741,031.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.