Finding the Fourth Proportional to 3,203,285.54, 4,415,936.64 and 2,283,919.94
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Solution
The fourth proportional to 3,203,285.54, 4,415,936.64 and 2,283,919.94 is: 3,148,531.61
Step by Step Solution
- Step 1: Write the proportion equation
3,203,285.54 : 4,415,936.64 = 2,283,919.94 : x - Step 2: Convert to fraction form
3,203,285.54/4,415,936.64 = 2,283,919.94/x - Step 3: Cross multiply
3,203,285.54x = 4,415,936.64 × 2,283,919.94 - Step 4: Simplify right side
3,203,285.54x = 10,085,645,748,347.74 - Step 5: Solve for x
x = 10,085,645,748,347.74/3,203,285.54 - Step 6: Final answer
x = 3,148,531.61
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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.