Finding the Fourth Proportional to 2,119,809.51, 3,179,236.16 and 603,458.73
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Solution
The fourth proportional to 2,119,809.51, 3,179,236.16 and 603,458.73 is: 905,051.99
Step by Step Solution
- Step 1: Write the proportion equation
2,119,809.51 : 3,179,236.16 = 603,458.73 : x - Step 2: Convert to fraction form
2,119,809.51/3,179,236.16 = 603,458.73/x - Step 3: Cross multiply
2,119,809.51x = 3,179,236.16 × 603,458.73 - Step 4: Simplify right side
2,119,809.51x = 1,918,537,816,992.32 - Step 5: Solve for x
x = 1,918,537,816,992.32/2,119,809.51 - Step 6: Final answer
x = 905,051.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.