Finding the Fourth Proportional to 3,318,136.30, 4,977,202.29 and 1,897,195.42
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Solution
The fourth proportional to 3,318,136.30, 4,977,202.29 and 1,897,195.42 is: 2,845,791.89
Step by Step Solution
- Step 1: Write the proportion equation
3,318,136.30 : 4,977,202.29 = 1,897,195.42 : x - Step 2: Convert to fraction form
3,318,136.30/4,977,202.29 = 1,897,195.42/x - Step 3: Cross multiply
3,318,136.30x = 4,977,202.29 × 1,897,195.42 - Step 4: Simplify right side
3,318,136.30x = 9,442,725,389,001.51 - Step 5: Solve for x
x = 9,442,725,389,001.51/3,318,136.30 - Step 6: Final answer
x = 2,845,791.89
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1.5x scale
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.