Finding the Fourth Proportional to 2,128,997.92, 3,192,315.38 and 708,278.44
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Solution
The fourth proportional to 2,128,997.92, 3,192,315.38 and 708,278.44 is: 1,062,024.60
Step by Step Solution
- Step 1: Write the proportion equation
2,128,997.92 : 3,192,315.38 = 708,278.44 : x - Step 2: Convert to fraction form
2,128,997.92/3,192,315.38 = 708,278.44/x - Step 3: Cross multiply
2,128,997.92x = 3,192,315.38 × 708,278.44 - Step 4: Simplify right side
2,128,997.92x = 2,261,048,157,334.41 - Step 5: Solve for x
x = 2,261,048,157,334.41/2,128,997.92 - Step 6: Final answer
x = 1,062,024.60
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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.