Finding the Fourth Proportional to 2,149,796.84, 2,966,630.67 and 1,169,739.90
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Solution
The fourth proportional to 2,149,796.84, 2,966,630.67 and 1,169,739.90 is: 1,614,192.66
Step by Step Solution
- Step 1: Write the proportion equation
2,149,796.84 : 2,966,630.67 = 1,169,739.90 : x - Step 2: Convert to fraction form
2,149,796.84/2,966,630.67 = 1,169,739.90/x - Step 3: Cross multiply
2,149,796.84x = 2,966,630.67 × 1,169,739.90 - Step 4: Simplify right side
2,149,796.84x = 3,470,186,263,262.73 - Step 5: Solve for x
x = 3,470,186,263,262.73/2,149,796.84 - Step 6: Final answer
x = 1,614,192.66
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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.