Finding the Fourth Proportional to 2,169,738.32, 2,994,415.68 and 1,203,171.68
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Solution
The fourth proportional to 2,169,738.32, 2,994,415.68 and 1,203,171.68 is: 1,660,474.96
Step by Step Solution
- Step 1: Write the proportion equation
2,169,738.32 : 2,994,415.68 = 1,203,171.68 : x - Step 2: Convert to fraction form
2,169,738.32/2,994,415.68 = 1,203,171.68/x - Step 3: Cross multiply
2,169,738.32x = 2,994,415.68 × 1,203,171.68 - Step 4: Simplify right side
2,169,738.32x = 3,602,796,144,323.94 - Step 5: Solve for x
x = 3,602,796,144,323.94/2,169,738.32 - Step 6: Final answer
x = 1,660,474.96
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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.