Finding the Fourth Proportional to 1,706,952.30, 2,560,809.84 and 642,003.60
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Solution
The fourth proportional to 1,706,952.30, 2,560,809.84 and 642,003.60 is: 963,148.84
Step by Step Solution
- Step 1: Write the proportion equation
1,706,952.30 : 2,560,809.84 = 642,003.60 : x - Step 2: Convert to fraction form
1,706,952.30/2,560,809.84 = 642,003.60/x - Step 3: Cross multiply
1,706,952.30x = 2,560,809.84 × 642,003.60 - Step 4: Simplify right side
1,706,952.30x = 1,644,049,136,195.42 - Step 5: Solve for x
x = 1,644,049,136,195.42/1,706,952.30 - Step 6: Final answer
x = 963,148.84
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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.