Finding the Fourth Proportional to 2,130,662.36, 2,940,310.77 and 1,163,792.66
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Solution
The fourth proportional to 2,130,662.36, 2,940,310.77 and 1,163,792.66 is: 1,606,032.08
Step by Step Solution
- Step 1: Write the proportion equation
2,130,662.36 : 2,940,310.77 = 1,163,792.66 : x - Step 2: Convert to fraction form
2,130,662.36/2,940,310.77 = 1,163,792.66/x - Step 3: Cross multiply
2,130,662.36x = 2,940,310.77 × 1,163,792.66 - Step 4: Simplify right side
2,130,662.36x = 3,421,912,092,244.95 - Step 5: Solve for x
x = 3,421,912,092,244.95/2,130,662.36 - Step 6: Final answer
x = 1,606,032.08
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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.