Finding the Fourth Proportional to 4,992,811.22, 7,489,643.22 and 1,754,067.53
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Solution
The fourth proportional to 4,992,811.22, 7,489,643.22 and 1,754,067.53 is: 2,631,251.09
Step by Step Solution
- Step 1: Write the proportion equation
4,992,811.22 : 7,489,643.22 = 1,754,067.53 : x - Step 2: Convert to fraction form
4,992,811.22/7,489,643.22 = 1,754,067.53/x - Step 3: Cross multiply
4,992,811.22x = 7,489,643.22 × 1,754,067.53 - Step 4: Simplify right side
4,992,811.22x = 13,137,339,946,038.43 - Step 5: Solve for x
x = 13,137,339,946,038.43/4,992,811.22 - Step 6: Final answer
x = 2,631,251.09
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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.