Finding the Fourth Proportional to 1,687,294.89, 2,531,205.99 and 549,793.26
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Solution
The fourth proportional to 1,687,294.89, 2,531,205.99 and 549,793.26 is: 824,775.80
Step by Step Solution
- Step 1: Write the proportion equation
1,687,294.89 : 2,531,205.99 = 549,793.26 : x - Step 2: Convert to fraction form
1,687,294.89/2,531,205.99 = 549,793.26/x - Step 3: Cross multiply
1,687,294.89x = 2,531,205.99 × 549,793.26 - Step 4: Simplify right side
1,687,294.89x = 1,391,639,992,973.63 - Step 5: Solve for x
x = 1,391,639,992,973.63/1,687,294.89 - Step 6: Final answer
x = 824,775.80
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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.