Finding the Fourth Proportional to 2,327,092.20, 3,490,638.30 and 644,195.70
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Solution
The fourth proportional to 2,327,092.20, 3,490,638.30 and 644,195.70 is: 966,293.55
Step by Step Solution
- Step 1: Write the proportion equation
2,327,092.20 : 3,490,638.30 = 644,195.70 : x - Step 2: Convert to fraction form
2,327,092.20/3,490,638.30 = 644,195.70/x - Step 3: Cross multiply
2,327,092.20x = 3,490,638.30 × 644,195.70 - Step 4: Simplify right side
2,327,092.20x = 2,248,654,183,115.31 - Step 5: Solve for x
x = 2,248,654,183,115.31/2,327,092.20 - Step 6: Final answer
x = 966,293.55
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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.