Finding the Fourth Proportional to 4,176,790.94, 5,753,190.12 and 2,950,968.58
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Solution
The fourth proportional to 4,176,790.94, 5,753,190.12 and 2,950,968.58 is: 4,064,719.43
Step by Step Solution
- Step 1: Write the proportion equation
4,176,790.94 : 5,753,190.12 = 2,950,968.58 : x - Step 2: Convert to fraction form
4,176,790.94/5,753,190.12 = 2,950,968.58/x - Step 3: Cross multiply
4,176,790.94x = 5,753,190.12 × 2,950,968.58 - Step 4: Simplify right side
4,176,790.94x = 16,977,483,278,886.43 - Step 5: Solve for x
x = 16,977,483,278,886.43/4,176,790.94 - Step 6: Final answer
x = 4,064,719.43
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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.