Finding the Fourth Proportional to 5,731,583.22, 7,909,572.99 and 3,153,257.88
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Solution
The fourth proportional to 5,731,583.22, 7,909,572.99 and 3,153,257.88 is: 4,351,489.35
Step by Step Solution
- Step 1: Write the proportion equation
5,731,583.22 : 7,909,572.99 = 3,153,257.88 : x - Step 2: Convert to fraction form
5,731,583.22/7,909,572.99 = 3,153,257.88/x - Step 3: Cross multiply
5,731,583.22x = 7,909,572.99 × 3,153,257.88 - Step 4: Simplify right side
5,731,583.22x = 24,940,923,358,152.66 - Step 5: Solve for x
x = 24,940,923,358,152.66/5,731,583.22 - Step 6: Final answer
x = 4,351,489.35
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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.