Finding the Fourth Proportional to 2,029,565.88, 2,798,868.30 and 1,213,636.68
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Solution
The fourth proportional to 2,029,565.88, 2,798,868.30 and 1,213,636.68 is: 1,673,662.96
Step by Step Solution
- Step 1: Write the proportion equation
2,029,565.88 : 2,798,868.30 = 1,213,636.68 : x - Step 2: Convert to fraction form
2,029,565.88/2,798,868.30 = 1,213,636.68/x - Step 3: Cross multiply
2,029,565.88x = 2,798,868.30 × 1,213,636.68 - Step 4: Simplify right side
2,029,565.88x = 3,396,809,231,369.24 - Step 5: Solve for x
x = 3,396,809,231,369.24/2,029,565.88 - Step 6: Final answer
x = 1,673,662.96
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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.