Finding the Fourth Proportional to 1,967,817.98, 2,714,660.93 and 1,151,520.99
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Solution
The fourth proportional to 1,967,817.98, 2,714,660.93 and 1,151,520.99 is: 1,588,555.99
Step by Step Solution
- Step 1: Write the proportion equation
1,967,817.98 : 2,714,660.93 = 1,151,520.99 : x - Step 2: Convert to fraction form
1,967,817.98/2,714,660.93 = 1,151,520.99/x - Step 3: Cross multiply
1,967,817.98x = 2,714,660.93 × 1,151,520.99 - Step 4: Simplify right side
1,967,817.98x = 3,125,989,049,596.71 - Step 5: Solve for x
x = 3,125,989,049,596.71/1,967,817.98 - Step 6: Final answer
x = 1,588,555.99
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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.