Finding the Fourth Proportional to 1,648,451.05, 2,275,973.24 and 1,029,199.97
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Solution
The fourth proportional to 1,648,451.05, 2,275,973.24 and 1,029,199.97 is: 1,420,989.48
Step by Step Solution
- Step 1: Write the proportion equation
1,648,451.05 : 2,275,973.24 = 1,029,199.97 : x - Step 2: Convert to fraction form
1,648,451.05/2,275,973.24 = 1,029,199.97/x - Step 3: Cross multiply
1,648,451.05x = 2,275,973.24 × 1,029,199.97 - Step 4: Simplify right side
1,648,451.05x = 2,342,431,590,872.74 - Step 5: Solve for x
x = 2,342,431,590,872.74/1,648,451.05 - Step 6: Final answer
x = 1,420,989.48
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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.