Finding the Fourth Proportional to 5,350,077.68, 8,025,023.63 and 2,155,122.18
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Solution
The fourth proportional to 5,350,077.68, 8,025,023.63 and 2,155,122.18 is: 3,232,645.86
Step by Step Solution
- Step 1: Write the proportion equation
5,350,077.68 : 8,025,023.63 = 2,155,122.18 : x - Step 2: Convert to fraction form
5,350,077.68/8,025,023.63 = 2,155,122.18/x - Step 3: Cross multiply
5,350,077.68x = 8,025,023.63 × 2,155,122.18 - Step 4: Simplify right side
5,350,077.68x = 17,294,906,425,424.92 - Step 5: Solve for x
x = 17,294,906,425,424.92/5,350,077.68 - Step 6: Final answer
x = 3,232,645.86
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1.5x scale
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.