Finding the Fourth Proportional to 1,765,957.70, 2,649,331.42 and 644,026.70
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Solution
The fourth proportional to 1,765,957.70, 2,649,331.42 and 644,026.70 is: 966,184.06
Step by Step Solution
- Step 1: Write the proportion equation
1,765,957.70 : 2,649,331.42 = 644,026.70 : x - Step 2: Convert to fraction form
1,765,957.70/2,649,331.42 = 644,026.70/x - Step 3: Cross multiply
1,765,957.70x = 2,649,331.42 × 644,026.70 - Step 4: Simplify right side
1,765,957.70x = 1,706,240,171,628.91 - Step 5: Solve for x
x = 1,706,240,171,628.91/1,765,957.70 - Step 6: Final answer
x = 966,184.06
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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.