Finding the Fourth Proportional to 5,626,497.21, 8,439,745.92 and 1,366,636.74
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Solution
The fourth proportional to 5,626,497.21, 8,439,745.92 and 1,366,636.74 is: 2,049,955.14
Step by Step Solution
- Step 1: Write the proportion equation
5,626,497.21 : 8,439,745.92 = 1,366,636.74 : x - Step 2: Convert to fraction form
5,626,497.21/8,439,745.92 = 1,366,636.74/x - Step 3: Cross multiply
5,626,497.21x = 8,439,745.92 × 1,366,636.74 - Step 4: Simplify right side
5,626,497.21x = 11,534,066,850,537.10 - Step 5: Solve for x
x = 11,534,066,850,537.10/5,626,497.21 - Step 6: Final answer
x = 2,049,955.14
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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.