Finding the Fourth Proportional to 1,706,979.72, 2,560,850.97 and 642,031.02
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Solution
The fourth proportional to 1,706,979.72, 2,560,850.97 and 642,031.02 is: 963,189.98
Step by Step Solution
- Step 1: Write the proportion equation
1,706,979.72 : 2,560,850.97 = 642,031.02 : x - Step 2: Convert to fraction form
1,706,979.72/2,560,850.97 = 642,031.02/x - Step 3: Cross multiply
1,706,979.72x = 2,560,850.97 × 642,031.02 - Step 4: Simplify right side
1,706,979.72x = 1,644,145,760,337.09 - Step 5: Solve for x
x = 1,644,145,760,337.09/1,706,979.72 - Step 6: Final answer
x = 963,189.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.