Finding the Fourth Proportional to 1,997,567.48, 2,756,654.70 and 1,092,149.48
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Solution
The fourth proportional to 1,997,567.48, 2,756,654.70 and 1,092,149.48 is: 1,507,172.61
Step by Step Solution
- Step 1: Write the proportion equation
1,997,567.48 : 2,756,654.70 = 1,092,149.48 : x - Step 2: Convert to fraction form
1,997,567.48/2,756,654.70 = 1,092,149.48/x - Step 3: Cross multiply
1,997,567.48x = 2,756,654.70 × 1,092,149.48 - Step 4: Simplify right side
1,997,567.48x = 3,010,678,997,144.56 - Step 5: Solve for x
x = 3,010,678,997,144.56/1,997,567.48 - Step 6: Final answer
x = 1,507,172.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.