Finding the Fourth Proportional to 1,664,636.82, 2,297,200.12 and 1,155,634.44
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Solution
The fourth proportional to 1,664,636.82, 2,297,200.12 and 1,155,634.44 is: 1,594,776.44
Step by Step Solution
- Step 1: Write the proportion equation
1,664,636.82 : 2,297,200.12 = 1,155,634.44 : x - Step 2: Convert to fraction form
1,664,636.82/2,297,200.12 = 1,155,634.44/x - Step 3: Cross multiply
1,664,636.82x = 2,297,200.12 × 1,155,634.44 - Step 4: Simplify right side
1,664,636.82x = 2,654,723,574,244.13 - Step 5: Solve for x
x = 2,654,723,574,244.13/1,664,636.82 - Step 6: Final answer
x = 1,594,776.44
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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.