Finding the Fourth Proportional to 1,909,491.96, 2,864,241.62 and 489,553.08
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Solution
The fourth proportional to 1,909,491.96, 2,864,241.62 and 489,553.08 is: 734,330.56
Step by Step Solution
- Step 1: Write the proportion equation
1,909,491.96 : 2,864,241.62 = 489,553.08 : x - Step 2: Convert to fraction form
1,909,491.96/2,864,241.62 = 489,553.08/x - Step 3: Cross multiply
1,909,491.96x = 2,864,241.62 × 489,553.08 - Step 4: Simplify right side
1,909,491.96x = 1,402,198,306,935.19 - Step 5: Solve for x
x = 1,402,198,306,935.19/1,909,491.96 - Step 6: Final answer
x = 734,330.56
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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.