Finding the Fourth Proportional to 4,489,666.20, 6,195,638.70 and 2,452,483.80
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Solution
The fourth proportional to 4,489,666.20, 6,195,638.70 and 2,452,483.80 is: 3,384,372.66
Step by Step Solution
- Step 1: Write the proportion equation
4,489,666.20 : 6,195,638.70 = 2,452,483.80 : x - Step 2: Convert to fraction form
4,489,666.20/6,195,638.70 = 2,452,483.80/x - Step 3: Cross multiply
4,489,666.20x = 6,195,638.70 × 2,452,483.80 - Step 4: Simplify right side
4,489,666.20x = 15,194,703,542,403.06 - Step 5: Solve for x
x = 15,194,703,542,403.06/4,489,666.20 - Step 6: Final answer
x = 3,384,372.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.