Finding the Fourth Proportional to 2,173,256.44, 2,998,943.86 and 1,206,310.62
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Solution
The fourth proportional to 2,173,256.44, 2,998,943.86 and 1,206,310.62 is: 1,664,625.38
Step by Step Solution
- Step 1: Write the proportion equation
2,173,256.44 : 2,998,943.86 = 1,206,310.62 : x - Step 2: Convert to fraction form
2,173,256.44/2,998,943.86 = 1,206,310.62/x - Step 3: Cross multiply
2,173,256.44x = 2,998,943.86 × 1,206,310.62 - Step 4: Simplify right side
2,173,256.44x = 3,617,657,827,101.79 - Step 5: Solve for x
x = 3,617,657,827,101.79/2,173,256.44 - Step 6: Final answer
x = 1,664,625.38
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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.