Finding the Fourth Proportional to 1,725,617.68, 2,380,650.96 and 1,145,114.56
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Solution
The fourth proportional to 1,725,617.68, 2,380,650.96 and 1,145,114.56 is: 1,579,792.62
Step by Step Solution
- Step 1: Write the proportion equation
1,725,617.68 : 2,380,650.96 = 1,145,114.56 : x - Step 2: Convert to fraction form
1,725,617.68/2,380,650.96 = 1,145,114.56/x - Step 3: Cross multiply
1,725,617.68x = 2,380,650.96 × 1,145,114.56 - Step 4: Simplify right side
1,725,617.68x = 2,726,118,076,573.98 - Step 5: Solve for x
x = 2,726,118,076,573.98/1,725,617.68 - Step 6: Final answer
x = 1,579,792.62
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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.