Finding the Fourth Proportional to 5,285,316.42, 7,294,341.72 and 2,962,836.18
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Solution
The fourth proportional to 5,285,316.42, 7,294,341.72 and 2,962,836.18 is: 4,089,053.11
Step by Step Solution
- Step 1: Write the proportion equation
5,285,316.42 : 7,294,341.72 = 2,962,836.18 : x - Step 2: Convert to fraction form
5,285,316.42/7,294,341.72 = 2,962,836.18/x - Step 3: Cross multiply
5,285,316.42x = 7,294,341.72 × 2,962,836.18 - Step 4: Simplify right side
5,285,316.42x = 21,611,939,557,299.43 - Step 5: Solve for x
x = 21,611,939,557,299.43/5,285,316.42 - Step 6: Final answer
x = 4,089,053.11
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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.