Finding the Fourth Proportional to 2,121,120.73, 2,927,208.20 and 1,154,313.37
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Solution
The fourth proportional to 2,121,120.73, 2,927,208.20 and 1,154,313.37 is: 1,592,985.97
Step by Step Solution
- Step 1: Write the proportion equation
2,121,120.73 : 2,927,208.20 = 1,154,313.37 : x - Step 2: Convert to fraction form
2,121,120.73/2,927,208.20 = 1,154,313.37/x - Step 3: Cross multiply
2,121,120.73x = 2,927,208.20 × 1,154,313.37 - Step 4: Simplify right side
2,121,120.73x = 3,378,915,562,033.64 - Step 5: Solve for x
x = 3,378,915,562,033.64/2,121,120.73 - Step 6: Final answer
x = 1,592,985.97
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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.