Finding the Fourth Proportional to 4,677,207.93, 7,015,828.14 and 1,438,723.62
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Solution
The fourth proportional to 4,677,207.93, 7,015,828.14 and 1,438,723.62 is: 2,158,090.43
Step by Step Solution
- Step 1: Write the proportion equation
4,677,207.93 : 7,015,828.14 = 1,438,723.62 : x - Step 2: Convert to fraction form
4,677,207.93/7,015,828.14 = 1,438,723.62/x - Step 3: Cross multiply
4,677,207.93x = 7,015,828.14 × 1,438,723.62 - Step 4: Simplify right side
4,677,207.93x = 10,093,837,658,878.67 - Step 5: Solve for x
x = 10,093,837,658,878.67/4,677,207.93 - Step 6: Final answer
x = 2,158,090.43
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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.