Finding the Fourth Proportional to 2,078,349.03, 2,867,305.64 and 1,207,035.41
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Solution
The fourth proportional to 2,078,349.03, 2,867,305.64 and 1,207,035.41 is: 1,665,234.94
Step by Step Solution
- Step 1: Write the proportion equation
2,078,349.03 : 2,867,305.64 = 1,207,035.41 : x - Step 2: Convert to fraction form
2,078,349.03/2,867,305.64 = 1,207,035.41/x - Step 3: Cross multiply
2,078,349.03x = 2,867,305.64 × 1,207,035.41 - Step 4: Simplify right side
2,078,349.03x = 3,460,939,418,401.01 - Step 5: Solve for x
x = 3,460,939,418,401.01/2,078,349.03 - Step 6: Final answer
x = 1,665,234.94
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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.