Finding the Fourth Proportional to 3,218,288.58, 4,441,283.73 and 1,768,118.04
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Solution
The fourth proportional to 3,218,288.58, 4,441,283.73 and 1,768,118.04 is: 2,440,027.89
Step by Step Solution
- Step 1: Write the proportion equation
3,218,288.58 : 4,441,283.73 = 1,768,118.04 : x - Step 2: Convert to fraction form
3,218,288.58/4,441,283.73 = 1,768,118.04/x - Step 3: Cross multiply
3,218,288.58x = 4,441,283.73 × 1,768,118.04 - Step 4: Simplify right side
3,218,288.58x = 7,852,713,883,771.49 - Step 5: Solve for x
x = 7,852,713,883,771.49/3,218,288.58 - Step 6: Final answer
x = 2,440,027.89
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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.