Finding the Fourth Proportional to 6,574,136.92, 9,072,134.90 and 3,673,551.63
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Solution
The fourth proportional to 6,574,136.92, 9,072,134.90 and 3,673,551.63 is: 5,069,403.99
Step by Step Solution
- Step 1: Write the proportion equation
6,574,136.92 : 9,072,134.90 = 3,673,551.63 : x - Step 2: Convert to fraction form
6,574,136.92/9,072,134.90 = 3,673,551.63/x - Step 3: Cross multiply
6,574,136.92x = 9,072,134.90 × 3,673,551.63 - Step 4: Simplify right side
6,574,136.92x = 33,326,955,949,474.89 - Step 5: Solve for x
x = 33,326,955,949,474.89/6,574,136.92 - Step 6: Final answer
x = 5,069,403.99
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1.5x scale
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.