Finding the Fourth Proportional to 3,243,344.99, 4,475,073.47 and 1,936,342.62
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Solution
The fourth proportional to 3,243,344.99, 4,475,073.47 and 1,936,342.62 is: 2,671,709.46
Step by Step Solution
- Step 1: Write the proportion equation
3,243,344.99 : 4,475,073.47 = 1,936,342.62 : x - Step 2: Convert to fraction form
3,243,344.99/4,475,073.47 = 1,936,342.62/x - Step 3: Cross multiply
3,243,344.99x = 4,475,073.47 × 1,936,342.62 - Step 4: Simplify right side
3,243,344.99x = 8,665,275,477,910.58 - Step 5: Solve for x
x = 8,665,275,477,910.58/3,243,344.99 - Step 6: Final answer
x = 2,671,709.46
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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.