Finding the Fourth Proportional to 3,218,473.44, 4,441,567.68 and 1,768,259.52
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Solution
The fourth proportional to 3,218,473.44, 4,441,567.68 and 1,768,259.52 is: 2,440,238.98
Step by Step Solution
- Step 1: Write the proportion equation
3,218,473.44 : 4,441,567.68 = 1,768,259.52 : x - Step 2: Convert to fraction form
3,218,473.44/4,441,567.68 = 1,768,259.52/x - Step 3: Cross multiply
3,218,473.44x = 4,441,567.68 × 1,768,259.52 - Step 4: Simplify right side
3,218,473.44x = 7,853,844,333,884.31 - Step 5: Solve for x
x = 7,853,844,333,884.31/3,218,473.44 - Step 6: Final answer
x = 2,440,238.98
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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.