Finding the Fourth Proportional to 4,738,980.26, 7,113,376.66 and 2,918,656.38
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Solution
The fourth proportional to 4,738,980.26, 7,113,376.66 and 2,918,656.38 is: 4,381,006.26
Step by Step Solution
- Step 1: Write the proportion equation
4,738,980.26 : 7,113,376.66 = 2,918,656.38 : x - Step 2: Convert to fraction form
4,738,980.26/7,113,376.66 = 2,918,656.38/x - Step 3: Cross multiply
4,738,980.26x = 7,113,376.66 × 2,918,656.38 - Step 4: Simplify right side
4,738,980.26x = 20,761,502,172,052.09 - Step 5: Solve for x
x = 20,761,502,172,052.09/4,738,980.26 - Step 6: Final answer
x = 4,381,006.26
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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.